25415275 has 6 divisors (see below), whose sum is σ = 31514972. Its totient is φ = 20332200.

The previous prime is 25415251. The next prime is 25415303. The reversal of 25415275 is 57251452.

It is a de Polignac number, because none of the positive numbers 2^k-25415275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508281 + ... + 508330.

Almost surely, 2^25415275 is an apocalyptic number.

25415275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25415275 is a deficient number, since it is larger than the sum of its proper divisors (6099697).

25415275 is a wasteful number, since it uses less digits than its factorization.

25415275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016621 (or 1016616 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 25415275 is about 5041.3564642862. The cubic root of 25415275 is about 294.0119197043.

The spelling of 25415275 in words is "twenty-five million, four hundred fifteen thousand, two hundred seventy-five".