15315332 has 12 divisors (see below), whose sum is σ = 27967296. Its totient is φ = 7324680.

The previous prime is 15315281. The next prime is 15315347. The reversal of 15315332 is 23351351.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 15315298 and 15315307.

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 in 3 ways as a sum of consecutive naturals, for example, 83144 + ... + 83327.

It is an arithmetic number, because the mean of its divisors is an integer number (2330608).

Almost surely, 2^15315332 is an apocalyptic number.

It is an amenable number.

15315332 is a deficient number, since it is larger than the sum of its proper divisors (12651964).

15315332 is a wasteful number, since it uses less digits than its factorization.

15315332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166498 (or 166496 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 15315332 is about 3913.4808035814. The cubic root of 15315332 is about 248.3374049550.

Adding to 15315332 its reverse (23351351), we get a palindrome (38666683).

The spelling of 15315332 in words is "fifteen million, three hundred fifteen thousand, three hundred thirty-two".