2573636625 has 128 divisors (see below), whose sum is σ = 5572869120. Its totient is φ = 1147392000.

The previous prime is 2573636609. The next prime is 2573636701. The reversal of 2573636625 is 5266363752.

2573636625 is a `hidden beast` number, since 2 + 5 + 7 + 3 + 636 + 6 + 2 + 5 = 666.

It is not a de Polignac number, because 2573636625 - 2⁴ = 2573636609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 967297 + ... + 969953.

It is an arithmetic number, because the mean of its divisors is an integer number (43538040).

Almost surely, 2^2573636625 is an apocalyptic number.

2573636625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2573636625 is an abundant number, since it is smaller than the sum of its proper divisors (2999232495).

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

2573636625 is a wasteful number, since it uses less digits than its factorization.

2573636625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2713 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The square root of 2573636625 is about 50731.0223137677. The cubic root of 2573636625 is about 1370.4054468010.

The spelling of 2573636625 in words is "two billion, five hundred seventy-three million, six hundred thirty-six thousand, six hundred twenty-five".