25238715 has 8 divisors (see below), whose sum is σ = 40381968. Its totient is φ = 13460640.

The previous prime is 25238713. The next prime is 25238737. The reversal of 25238715 is 51783252.

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

It is not a de Polignac number, because 25238715 - 2¹ = 25238713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25238711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841276 + ... + 841305.

It is an arithmetic number, because the mean of its divisors is an integer number (5047746).

Almost surely, 2^25238715 is an apocalyptic number.

25238715 is a deficient number, since it is larger than the sum of its proper divisors (15143253).

25238715 is a wasteful number, since it uses less digits than its factorization.

25238715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682589.

The product of its digits is 16800, while the sum is 33.

The square root of 25238715 is about 5023.8147855987. The cubic root of 25238715 is about 293.3295030779.

The spelling of 25238715 in words is "twenty-five million, two hundred thirty-eight thousand, seven hundred fifteen".