25983677 has 2 divisors, whose sum is σ = 25983678. Its totient is φ = 25983676.

The previous prime is 25983647. The next prime is 25983679. The reversal of 25983677 is 77638952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 116281 = 5086^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 25983677 - 2⁶ = 25983613 is a prime.

Together with 25983679, 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 (25983679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12991838 + 12991839.

It is an arithmetic number, because the mean of its divisors is an integer number (12991839).

Almost surely, 2^25983677 is an apocalyptic number.

It is an amenable number.

25983677 is a deficient number, since it is larger than the sum of its proper divisors (1).

25983677 is an equidigital number, since it uses as much as digits as its factorization.

25983677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 25983677 is about 5097.4186604594. The cubic root of 25983677 is about 296.1875979350.

The spelling of 25983677 in words is "twenty-five million, nine hundred eighty-three thousand, six hundred seventy-seven".