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672577 is a prime number
BaseRepresentation
bin10100100001101000001
31021011121021
42210031001
5133010302
622225441
75500603
oct2441501
91234537
10672577
1141a354
12285281
131a7199
14137173
15d4437
hexa4341

672577 has 2 divisors, whose sum is σ = 672578. Its totient is φ = 672576.

The previous prime is 672557. The next prime is 672587. The reversal of 672577 is 775276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 30976 = 801^2 + 176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-672577 is a prime.

It is not a weakly prime, because it can be changed into another prime (672557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336288 + 336289.

It is an arithmetic number, because the mean of its divisors is an integer number (336289).

2672577 is an apocalyptic number.

It is an amenable number.

672577 is a deficient number, since it is larger than the sum of its proper divisors (1).

672577 is an equidigital number, since it uses as much as digits as its factorization.

672577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20580, while the sum is 34.

The square root of 672577 is about 820.1079197276. The cubic root of 672577 is about 87.6154448974.

The spelling of 672577 in words is "six hundred seventy-two thousand, five hundred seventy-seven".