15006131 has 4 divisors (see below), whose sum is σ = 17149872. Its totient is φ = 12862392.

The previous prime is 15006071. The next prime is 15006133. The reversal of 15006131 is 13160051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13160051 = 827 ⋅15913.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15006131 is a prime.

It is a super-2 number, since 2×15006131² = 450367935178322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15006133) 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, 1071860 + ... + 1071873.

It is an arithmetic number, because the mean of its divisors is an integer number (4287468).

Almost surely, 2^15006131 is an apocalyptic number.

15006131 is a deficient number, since it is larger than the sum of its proper divisors (2143741).

15006131 is an equidigital number, since it uses as much as digits as its factorization.

15006131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143740.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 15006131 is about 3873.7747740415. The cubic root of 15006131 is about 246.6548036256.

Adding to 15006131 its reverse (13160051), we get a palindrome (28166182).

The spelling of 15006131 in words is "fifteen million, six thousand, one hundred thirty-one".