15493252 has 6 divisors (see below), whose sum is σ = 27113198. Its totient is φ = 7746624.

The previous prime is 15493249. The next prime is 15493253. The reversal of 15493252 is 25239451.

It can be written as a sum of positive squares in only one way, i.e., 15492096 + 1156 = 3936^2 + 34^2 .

It is not an unprimeable number, because it can be changed into a prime (15493253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936653 + ... + 1936660.

Almost surely, 2^15493252 is an apocalyptic number.

It is an amenable number.

15493252 is a deficient number, since it is larger than the sum of its proper divisors (11619946).

15493252 is a wasteful number, since it uses less digits than its factorization.

15493252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873317 (or 3873315 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 15493252 is about 3936.1468468542. The cubic root of 15493252 is about 249.2953597947.

The spelling of 15493252 in words is "fifteen million, four hundred ninety-three thousand, two hundred fifty-two".