25213268 has 6 divisors (see below), whose sum is σ = 44123226. Its totient is φ = 12606632.

The previous prime is 25213241. The next prime is 25213271. The reversal of 25213268 is 86231252.

It can be written as a sum of positive squares in only one way, i.e., 20539024 + 4674244 = 4532^2 + 2162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25213268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151655 + ... + 3151662.

It is an arithmetic number, because the mean of its divisors is an integer number (7353871).

Almost surely, 2^25213268 is an apocalyptic number.

It is an amenable number.

25213268 is a deficient number, since it is larger than the sum of its proper divisors (18909958).

25213268 is a wasteful number, since it uses less digits than its factorization.

25213268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303321 (or 6303319 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 25213268 is about 5021.2815097343. The cubic root of 25213268 is about 293.2308865157.

The spelling of 25213268 in words is "twenty-five million, two hundred thirteen thousand, two hundred sixty-eight".