25710677 has 2 divisors, whose sum is σ = 25710678. Its totient is φ = 25710676.

The previous prime is 25710637. The next prime is 25710679. The reversal of 25710677 is 77601752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24542116 + 1168561 = 4954^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 25710677 - 2¹⁶ = 25645141 is a prime.

It is a super-2 number, since 2×25710677² = 1322077823596658, which contains 22 as substring.

Together with 25710679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25710679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12855338 + 12855339.

It is an arithmetic number, because the mean of its divisors is an integer number (12855339).

Almost surely, 2^25710677 is an apocalyptic number.

It is an amenable number.

25710677 is a deficient number, since it is larger than the sum of its proper divisors (1).

25710677 is an equidigital number, since it uses as much as digits as its factorization.

25710677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 25710677 is about 5070.5696918591. The cubic root of 25710677 is about 295.1466358996.

The spelling of 25710677 in words is "twenty-five million, seven hundred ten thousand, six hundred seventy-seven".