25213868 has 6 divisors (see below), whose sum is σ = 44124276. Its totient is φ = 12606932.

The previous prime is 25213861. The next prime is 25213871. The reversal of 25213868 is 86831252.

It is not an unprimeable number, because it can be changed into a prime (25213861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151730 + ... + 3151737.

It is an arithmetic number, because the mean of its divisors is an integer number (7354046).

Almost surely, 2^25213868 is an apocalyptic number.

It is an amenable number.

25213868 is a deficient number, since it is larger than the sum of its proper divisors (18910408).

25213868 is a wasteful number, since it uses less digits than its factorization.

25213868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303471 (or 6303469 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 25213868 is about 5021.3412550831. The cubic root of 25213868 is about 293.2332125018.

The spelling of 25213868 in words is "twenty-five million, two hundred thirteen thousand, eight hundred sixty-eight".