25213315 has 8 divisors (see below), whose sum is σ = 30318480. Its totient is φ = 20128992.

The previous prime is 25213301. The next prime is 25213369. The reversal of 25213315 is 51331252.

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 25213315 - 2⁵ = 25213283 is a prime.

It is a super-2 number, since 2×25213315² = 1271422506578450, which contains 22 as substring.

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, 2409 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (3789810).

Almost surely, 2^25213315 is an apocalyptic number.

25213315 is a deficient number, since it is larger than the sum of its proper divisors (5105165).

25213315 is an equidigital number, since it uses as much as digits as its factorization.

25213315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421.

The product of its digits is 900, while the sum is 22.

The square root of 25213315 is about 5021.2861898123. The cubic root of 25213315 is about 293.2310687192.

Adding to 25213315 its reverse (51331252), we get a palindrome (76544567).

The spelling of 25213315 in words is "twenty-five million, two hundred thirteen thousand, three hundred fifteen".