255164677 has 2 divisors, whose sum is σ = 255164678. Its totient is φ = 255164676.

The previous prime is 255164653. The next prime is 255164687. The reversal of 255164677 is 776461552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253000836 + 2163841 = 15906^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 255164677 - 2¹¹ = 255162629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255164687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127582338 + 127582339.

It is an arithmetic number, because the mean of its divisors is an integer number (127582339).

Almost surely, 2^255164677 is an apocalyptic number.

It is an amenable number.

255164677 is a deficient number, since it is larger than the sum of its proper divisors (1).

255164677 is an equidigital number, since it uses as much as digits as its factorization.

255164677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 255164677 is about 15973.8748273548. The cubic root of 255164677 is about 634.2690471110.

The spelling of 255164677 in words is "two hundred fifty-five million, one hundred sixty-four thousand, six hundred seventy-seven".