1517139325 has 12 divisors (see below), whose sum is σ = 2025964948. Its totient is φ = 1120348800.

The previous prime is 1517139311. The next prime is 1517139331. The reversal of 1517139325 is 5239317151.

It can be written as a sum of positive squares in 6 ways, for example, as 13793796 + 1503345529 = 3714^2 + 38773^2 .

It is not a de Polignac number, because 1517139325 - 2¹¹ = 1517137277 is a prime.

It is a super-2 number, since 2×1517139325² = 4603423462922911250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2333736 + ... + 2334385.

Almost surely, 2^1517139325 is an apocalyptic number.

It is an amenable number.

1517139325 is a deficient number, since it is larger than the sum of its proper divisors (508825623).

1517139325 is a wasteful number, since it uses less digits than its factorization.

1517139325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668144 (or 4668139 counting only the distinct ones).

The product of its digits is 28350, while the sum is 37.

The square root of 1517139325 is about 38950.4727185692. The cubic root of 1517139325 is about 1149.0576590332.

The spelling of 1517139325 in words is "one billion, five hundred seventeen million, one hundred thirty-nine thousand, three hundred twenty-five".