25456938 has 32 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 7803456.

The previous prime is 25456933. The next prime is 25456943. The reversal of 25456938 is 83965452.

It is an interprime number because it is at equal distance from previous prime (25456933) and next prime (25456943).

It is a self number, because there is not a number n which added to its sum of digits gives 25456938.

It is not an unprimeable number, because it can be changed into a prime (25456933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29923 + ... + 30761.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^25456938 is an apocalyptic number.

25456938 is an abundant number, since it is smaller than the sum of its proper divisors (29579862).

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

25456938 is a wasteful number, since it uses less digits than its factorization.

25456938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its digits is 259200, while the sum is 42.

The square root of 25456938 is about 5045.4868942452. The cubic root of 25456938 is about 294.1724889060.

The spelling of 25456938 in words is "twenty-five million, four hundred fifty-six thousand, nine hundred thirty-eight".