2516415625 has 48 divisors (see below), whose sum is σ = 3317787648. Its totient is φ = 1904760000.

The previous prime is 2516415617. The next prime is 2516415647. The reversal of 2516415625 is 5265146152.

It is not a de Polignac number, because 2516415625 - 2³ = 2516415617 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 11284264 + ... + 11284486.

It is an arithmetic number, because the mean of its divisors is an integer number (69120576).

Almost surely, 2^2516415625 is an apocalyptic number.

2516415625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516415625 is a deficient number, since it is larger than the sum of its proper divisors (801372023).

2516415625 is an equidigital number, since it uses as much as digits as its factorization.

2516415625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 408 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 2516415625 is about 50163.8876583544. The cubic root of 2516415625 is about 1360.1729208110.

The spelling of 2516415625 in words is "two billion, five hundred sixteen million, four hundred fifteen thousand, six hundred twenty-five".