25325915 has 8 divisors (see below), whose sum is σ = 31371648. Its totient is φ = 19607040.

The previous prime is 25325863. The next prime is 25325941. The reversal of 25325915 is 51952352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25325915 - 2¹² = 25321819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81542 + ... + 81851.

It is an arithmetic number, because the mean of its divisors is an integer number (3921456).

Almost surely, 2^25325915 is an apocalyptic number.

25325915 is a deficient number, since it is larger than the sum of its proper divisors (6045733).

25325915 is a wasteful number, since it uses less digits than its factorization.

25325915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163429.

The product of its digits is 13500, while the sum is 32.

The square root of 25325915 is about 5032.4859662000. The cubic root of 25325915 is about 293.6669335068. Note that the first 3 decimals are identical.

The spelling of 25325915 in words is "twenty-five million, three hundred twenty-five thousand, nine hundred fifteen".