25265215 has 8 divisors (see below), whose sum is σ = 30365280. Its totient is φ = 20180832.

The previous prime is 25265203. The next prime is 25265237. The reversal of 25265215 is 51256252.

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 25265215 - 2⁵ = 25265183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (3795660).

Almost surely, 2^25265215 is an apocalyptic number.

25265215 is a deficient number, since it is larger than the sum of its proper divisors (5100065).

25265215 is an equidigital number, since it uses as much as digits as its factorization.

25265215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841.

The product of its digits is 6000, while the sum is 28.

The square root of 25265215 is about 5026.4515316474. The cubic root of 25265215 is about 293.4321299727.

The spelling of 25265215 in words is "twenty-five million, two hundred sixty-five thousand, two hundred fifteen".