25213964 has 6 divisors (see below), whose sum is σ = 44124444. Its totient is φ = 12606980.

The previous prime is 25213961. The next prime is 25213973. The reversal of 25213964 is 46931252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25213964.

It is not an unprimeable number, because it can be changed into a prime (25213961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151742 + ... + 3151749.

It is an arithmetic number, because the mean of its divisors is an integer number (7354074).

Almost surely, 2^25213964 is an apocalyptic number.

It is an amenable number.

25213964 is a deficient number, since it is larger than the sum of its proper divisors (18910480).

25213964 is a wasteful number, since it uses less digits than its factorization.

25213964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303495 (or 6303493 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 25213964 is about 5021.3508142730. The cubic root of 25213964 is about 293.2335846562.

The spelling of 25213964 in words is "twenty-five million, two hundred thirteen thousand, nine hundred sixty-four".