5091620625 has 300 divisors, whose sum is σ = 11944192260. Its totient is φ = 2074464000.

The previous prime is 5091620603. The next prime is 5091620659. The reversal of 5091620625 is 5260261905.

5091620625 is a `hidden beast` number, since 5 + 0 + 9 + 1 + 6 + 20 + 625 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 4592366289 + 499254336 = 67767^2 + 22344^2 .

It is not a de Polignac number, because 5091620625 - 2⁵ = 5091620593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5091620625.

It is an unprimeable number.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 175573111 + ... + 175573139.

Almost surely, 2^5091620625 is an apocalyptic number.

It is an amenable number.

5091620625 is an abundant number, since it is smaller than the sum of its proper divisors (6852571635).

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

5091620625 is an equidigital number, since it uses as much as digits as its factorization.

5091620625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5091620625 is about 71355.5928081324. The cubic root of 5091620625 is about 1720.3573965495.

The spelling of 5091620625 in words is "five billion, ninety-one million, six hundred twenty thousand, six hundred twenty-five".