25213265 has 32 divisors (see below), whose sum is σ = 38624256. Its totient is φ = 15341760.

The previous prime is 25213241. The next prime is 25213271. The reversal of 25213265 is 56231252.

It is not a de Polignac number, because 25213265 - 2¹⁴ = 25196881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15794 + ... + 17316.

It is an arithmetic number, because the mean of its divisors is an integer number (1207008).

Almost surely, 2^25213265 is an apocalyptic number.

It is an amenable number.

25213265 is a deficient number, since it is larger than the sum of its proper divisors (13410991).

25213265 is a wasteful number, since it uses less digits than its factorization.

25213265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its digits is 3600, while the sum is 26.

The square root of 25213265 is about 5021.2812110058. The cubic root of 25213265 is about 293.2308748856.

The spelling of 25213265 in words is "twenty-five million, two hundred thirteen thousand, two hundred sixty-five".