25421295 has 16 divisors (see below), whose sum is σ = 40797792. Its totient is φ = 13516800.

The previous prime is 25421287. The next prime is 25421321. The reversal of 25421295 is 59212452.

It is not a de Polignac number, because 25421295 - 2³ = 25421287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (2549862).

Almost surely, 2^25421295 is an apocalyptic number.

25421295 is a deficient number, since it is larger than the sum of its proper divisors (15376497).

25421295 is a wasteful number, since it uses less digits than its factorization.

25421295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162.

The product of its digits is 7200, while the sum is 30.

The square root of 25421295 is about 5041.9534904638. The cubic root of 25421295 is about 294.0351316248.

The spelling of 25421295 in words is "twenty-five million, four hundred twenty-one thousand, two hundred ninety-five".