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674225873 is a prime number
BaseRepresentation
bin101000001011111…
…101111011010001
31201222200020000122
4220023331323101
52340100211443
6150523000025
722464553046
oct5013757321
91658606018
10674225873
11316645972
12169969015
13a98b6a29
14657891cd
153e2d0968
hex282fded1

674225873 has 2 divisors, whose sum is σ = 674225874. Its totient is φ = 674225872.

The previous prime is 674225837. The next prime is 674225917. The reversal of 674225873 is 378522476.

Together with previous prime (674225837) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (674225917) can be obtained adding 674225873 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 664195984 + 10029889 = 25772^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 674225873 - 212 = 674221777 is a prime.

It is a super-2 number, since 2×6742258732 = 909161055645224258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (674825873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337112936 + 337112937.

It is an arithmetic number, because the mean of its divisors is an integer number (337112937).

Almost surely, 2674225873 is an apocalyptic number.

It is an amenable number.

674225873 is a deficient number, since it is larger than the sum of its proper divisors (1).

674225873 is an equidigital number, since it uses as much as digits as its factorization.

674225873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 44.

The square root of 674225873 is about 25965.8597585368. The cubic root of 674225873 is about 876.8698508036.

The spelling of 674225873 in words is "six hundred seventy-four million, two hundred twenty-five thousand, eight hundred seventy-three".