2516125904 has 10 divisors (see below), whose sum is σ = 4874993970. Its totient is φ = 1258062944.

The previous prime is 2516125877. The next prime is 2516125949. The reversal of 2516125904 is 4095216152.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2348371600 + 167754304 = 48460^2 + 12952^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78628919 + ... + 78628950.

It is an arithmetic number, because the mean of its divisors is an integer number (487499397).

Almost surely, 2^2516125904 is an apocalyptic number.

It is an amenable number.

2516125904 is a deficient number, since it is larger than the sum of its proper divisors (2358868066).

2516125904 is a wasteful number, since it uses less digits than its factorization.

2516125904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157257877 (or 157257871 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2516125904 is about 50160.9998305456. Note that the first 3 decimals coincide. The cubic root of 2516125904 is about 1360.1207188113.

The spelling of 2516125904 in words is "two billion, five hundred sixteen million, one hundred twenty-five thousand, nine hundred four".