15253972 has 6 divisors (see below), whose sum is σ = 26694458. Its totient is φ = 7626984.

The previous prime is 15253967. The next prime is 15253993. The reversal of 15253972 is 27935251.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 2033476 = 3636^2 + 1426^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906743 + ... + 1906750.

Almost surely, 2^15253972 is an apocalyptic number.

It is an amenable number.

15253972 is a deficient number, since it is larger than the sum of its proper divisors (11440486).

15253972 is a wasteful number, since it uses less digits than its factorization.

15253972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813497 (or 3813495 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 15253972 is about 3905.6333673298. The cubic root of 15253972 is about 248.0053111939.

The spelling of 15253972 in words is "fifteen million, two hundred fifty-three thousand, nine hundred seventy-two".