25940677 has 16 divisors (see below), whose sum is σ = 30553600. Its totient is φ = 21565440.

The previous prime is 25940671. The next prime is 25940689. The reversal of 25940677 is 77604952.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25940677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25940671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33349 + ... + 34117.

It is an arithmetic number, because the mean of its divisors is an integer number (1909600).

Almost surely, 2^25940677 is an apocalyptic number.

It is an amenable number.

25940677 is a deficient number, since it is larger than the sum of its proper divisors (4612923).

25940677 is an equidigital number, since it uses as much as digits as its factorization.

25940677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 25940677 is about 5093.1990929081. The cubic root of 25940677 is about 296.0241222428.

The spelling of 25940677 in words is "twenty-five million, nine hundred forty thousand, six hundred seventy-seven".