25232715 has 20 divisors (see below), whose sum is σ = 45232704. Its totient is φ = 13457232.

The previous prime is 25232681. The next prime is 25232723. The reversal of 25232715 is 51723252.

It is not a de Polignac number, because 25232715 - 2⁹ = 25232203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30747 + ... + 31556.

Almost surely, 2^25232715 is an apocalyptic number.

25232715 is a deficient number, since it is larger than the sum of its proper divisors (19999989).

25232715 is an equidigital number, since it uses as much as digits as its factorization.

25232715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62320 (or 62311 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 25232715 is about 5023.2175943313. The cubic root of 25232715 is about 293.3062568270.

Adding to 25232715 its reverse (51723252), we get a palindrome (76955967).

The spelling of 25232715 in words is "twenty-five million, two hundred thirty-two thousand, seven hundred fifteen".