25455375 has 96 divisors (see below), whose sum is σ = 53441856. Its totient is φ = 11616000.

The previous prime is 25455347. The next prime is 25455379. The reversal of 25455375 is 57355452.

25455375 = 51² + 52² + ... + 424².

It is not a de Polignac number, because 25455375 - 2⁵ = 25455343 is a prime.

It is a super-2 number, since 2×25455375² = 1295952232781250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25455379) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1497367 + ... + 1497383.

It is an arithmetic number, because the mean of its divisors is an integer number (556686).

Almost surely, 2^25455375 is an apocalyptic number.

25455375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25455375 is an abundant number, since it is smaller than the sum of its proper divisors (27986481).

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

25455375 is a wasteful number, since it uses less digits than its factorization.

25455375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 36 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 25455375 is about 5045.3320009688. The cubic root of 25455375 is about 294.1664682682.

The spelling of 25455375 in words is "twenty-five million, four hundred fifty-five thousand, three hundred seventy-five".