15315082 has 4 divisors (see below), whose sum is σ = 22972626. Its totient is φ = 7657540.

The previous prime is 15315073. The next prime is 15315089. The reversal of 15315082 is 28051351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28051351 = 43 ⋅652357.

It can be written as a sum of positive squares in only one way, i.e., 13329801 + 1985281 = 3651^2 + 1409^2 .

It is not an unprimeable number, because it can be changed into a prime (15315089) by changing a digit.

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, 3828769 + ... + 3828772.

Almost surely, 2^15315082 is an apocalyptic number.

15315082 is a deficient number, since it is larger than the sum of its proper divisors (7657544).

15315082 is an equidigital number, since it uses as much as digits as its factorization.

15315082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657543.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 15315082 is about 3913.4488625763. The cubic root of 15315082 is about 248.3360537015.

The spelling of 15315082 in words is "fifteen million, three hundred fifteen thousand, eighty-two".