25315375 has 32 divisors (see below), whose sum is σ = 33546240. Its totient is φ = 19044000.

The previous prime is 25315373. The next prime is 25315403. The reversal of 25315375 is 57351352.

It is not a de Polignac number, because 25315375 - 2¹ = 25315373 is a prime.

It is a super-2 number, since 2×25315375² = 1281736422781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25315373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182056 + ... + 182194.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^25315375 is an apocalyptic number.

25315375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25315375 is a deficient number, since it is larger than the sum of its proper divisors (8230865).

25315375 is a wasteful number, since it uses less digits than its factorization.

25315375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 222 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 25315375 is about 5031.4386610591. The cubic root of 25315375 is about 293.6261889577.

The spelling of 25315375 in words is "twenty-five million, three hundred fifteen thousand, three hundred seventy-five".