15872252 has 24 divisors (see below), whose sum is σ = 30484272. Its totient is φ = 7171200.

The previous prime is 15872249. The next prime is 15872257. The reversal of 15872252 is 25227851.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15872257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6968 + ... + 8960.

It is an arithmetic number, because the mean of its divisors is an integer number (1270178).

Almost surely, 2^15872252 is an apocalyptic number.

It is an amenable number.

15872252 is a deficient number, since it is larger than the sum of its proper divisors (14612020).

15872252 is a wasteful number, since it uses less digits than its factorization.

15872252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2187 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 15872252 is about 3983.9994979919. Note that the first 3 decimals coincide. The cubic root of 15872252 is about 251.3117822043.

The spelling of 15872252 in words is "fifteen million, eight hundred seventy-two thousand, two hundred fifty-two".