25700965 has 8 divisors (see below), whose sum is σ = 31147128. Its totient is φ = 20356800.

The previous prime is 25700933. The next prime is 25700981. The reversal of 25700965 is 56900752.

It can be written as a sum of positive squares in 4 ways, for example, as 1425636 + 24275329 = 1194^2 + 4927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25700965 - 2⁵ = 25700933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25700965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24942 + ... + 25951.

It is an arithmetic number, because the mean of its divisors is an integer number (3893391).

Almost surely, 2^25700965 is an apocalyptic number.

It is an amenable number.

25700965 is a deficient number, since it is larger than the sum of its proper divisors (5446163).

25700965 is a wasteful number, since it uses less digits than its factorization.

25700965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50999.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 25700965 is about 5069.6119180860. The cubic root of 25700965 is about 295.1094681356.

The spelling of 25700965 in words is "twenty-five million, seven hundred thousand, nine hundred sixty-five".