25123964 has 6 divisors (see below), whose sum is σ = 43966944. Its totient is φ = 12561980.

The previous prime is 25123957. The next prime is 25123993. The reversal of 25123964 is 46932152.

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 25123964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140492 + ... + 3140499.

It is an arithmetic number, because the mean of its divisors is an integer number (7327824).

Almost surely, 2^25123964 is an apocalyptic number.

It is an amenable number.

25123964 is a deficient number, since it is larger than the sum of its proper divisors (18842980).

25123964 is a wasteful number, since it uses less digits than its factorization.

25123964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280995 (or 6280993 counting only the distinct ones).

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

The square root of 25123964 is about 5012.3810709083. The cubic root of 25123964 is about 292.8842744417.

The spelling of 25123964 in words is "twenty-five million, one hundred twenty-three thousand, nine hundred sixty-four".