2516425506 has 48 divisors (see below), whose sum is σ = 6249744384. Its totient is φ = 716833152.

The previous prime is 2516425501. The next prime is 2516425547. The reversal of 2516425506 is 6055246152.

2516425506 is a `hidden beast` number, since 2 + 5 + 1 + 642 + 5 + 5 + 0 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2516425501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12831 + ... + 72093.

It is an arithmetic number, because the mean of its divisors is an integer number (130203008).

Almost surely, 2^2516425506 is an apocalyptic number.

2516425506 is an abundant number, since it is smaller than the sum of its proper divisors (3733318878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2516425506 is a wasteful number, since it uses less digits than its factorization.

2516425506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59615 (or 59612 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2516425506 is about 50163.9861454410. The cubic root of 2516425506 is about 1360.1747011013.

The spelling of 2516425506 in words is "two billion, five hundred sixteen million, four hundred twenty-five thousand, five hundred six".