15082513 has 4 divisors (see below), whose sum is σ = 15091200. Its totient is φ = 15073828.

The previous prime is 15082489. The next prime is 15082541. The reversal of 15082513 is 31528051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31528051 = 2897 ⋅10883.

It is a cyclic number.

It is not a de Polignac number, because 15082513 - 2⁵ = 15082481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15083513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745 + ... + 5542.

It is an arithmetic number, because the mean of its divisors is an integer number (3772800).

Almost surely, 2^15082513 is an apocalyptic number.

It is an amenable number.

15082513 is a deficient number, since it is larger than the sum of its proper divisors (8687).

15082513 is an equidigital number, since it uses as much as digits as its factorization.

15082513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686.

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

The square root of 15082513 is about 3883.6211195223. The cubic root of 15082513 is about 247.0725909017.

The spelling of 15082513 in words is "fifteen million, eighty-two thousand, five hundred thirteen".