1516504025 has 12 divisors (see below), whose sum is σ = 1887623232. Its totient is φ = 1208585040.

The previous prime is 1516504009. The next prime is 1516504027. The reversal of 1516504025 is 5204056151.

It is a happy number.

It is not a de Polignac number, because 1516504025 - 2⁴ = 1516504009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516504027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108749 + ... + 121898.

It is an arithmetic number, because the mean of its divisors is an integer number (157301936).

Almost surely, 2^1516504025 is an apocalyptic number.

It is an amenable number.

1516504025 is a deficient number, since it is larger than the sum of its proper divisors (371119207).

1516504025 is a wasteful number, since it uses less digits than its factorization.

1516504025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230920 (or 230915 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1516504025 is about 38942.3166362763. The cubic root of 1516504025 is about 1148.8972478705.

The spelling of 1516504025 in words is "one billion, five hundred sixteen million, five hundred four thousand, twenty-five".