25232215 has 8 divisors (see below), whose sum is σ = 30331440. Its totient is φ = 20150592.

The previous prime is 25232213. The next prime is 25232239. The reversal of 25232215 is 51223252.

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

It is a cyclic number.

It is not a de Polignac number, because 25232215 - 2¹ = 25232213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25232213) 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, 1005 + ... + 7174.

It is an arithmetic number, because the mean of its divisors is an integer number (3791430).

Almost surely, 2^25232215 is an apocalyptic number.

25232215 is a deficient number, since it is larger than the sum of its proper divisors (5099225).

25232215 is an equidigital number, since it uses as much as digits as its factorization.

25232215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801.

The product of its digits is 1200, while the sum is 22.

The square root of 25232215 is about 5023.1678251876. The cubic root of 25232215 is about 293.3043194731.

Adding to 25232215 its reverse (51223252), we get a palindrome (76455467).

The spelling of 25232215 in words is "twenty-five million, two hundred thirty-two thousand, two hundred fifteen".