25695456 has 24 divisors (see below), whose sum is σ = 67450824. Its totient is φ = 8565120.

The previous prime is 25695451. The next prime is 25695463. The reversal of 25695456 is 65459652.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25695451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133735 + ... + 133926.

It is an arithmetic number, because the mean of its divisors is an integer number (2810451).

Almost surely, 2^25695456 is an apocalyptic number.

It is an amenable number.

25695456 is an abundant number, since it is smaller than the sum of its proper divisors (41755368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25695456 is a wasteful number, since it uses less digits than its factorization.

25695456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267674 (or 267666 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 25695456 is about 5069.0685534919. The cubic root of 25695456 is about 295.0883810644.

The spelling of 25695456 in words is "twenty-five million, six hundred ninety-five thousand, four hundred fifty-six".