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1364458481 is a prime number
BaseRepresentation
bin101000101010011…
…1111101111110001
310112002110200011022
41101110333233301
510243300132411
6343221025225
745545464031
oct12124775761
93462420138
101364458481
11640223941
12320b55215
131898b63a9
14cd2dd8c1
157ebc3edb
hex5153fbf1

1364458481 has 2 divisors, whose sum is σ = 1364458482. Its totient is φ = 1364458480.

The previous prime is 1364458391. The next prime is 1364458483. The reversal of 1364458481 is 1848544631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1217661025 + 146797456 = 34895^2 + 12116^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364458481 - 214 = 1364442097 is a prime.

It is a super-2 number, since 2×13644584812 = 3723493892745654722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1364458483, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1364458483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682229240 + 682229241.

It is an arithmetic number, because the mean of its divisors is an integer number (682229241).

Almost surely, 21364458481 is an apocalyptic number.

1364458481 is the 19745-th centered heptagonal number.

It is an amenable number.

1364458481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364458481 is an equidigital number, since it uses as much as digits as its factorization.

1364458481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 44.

The square root of 1364458481 is about 36938.5771382710. The cubic root of 1364458481 is about 1109.1410396117.

The spelling of 1364458481 in words is "one billion, three hundred sixty-four million, four hundred fifty-eight thousand, four hundred eighty-one".