2564701250 has 80 divisors (see below), whose sum is σ = 5154000192. Its totient is φ = 954360000.

The previous prime is 2564701247. The next prime is 2564701261. The reversal of 2564701250 is 521074652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1062545 + ... + 1064955.

Almost surely, 2^2564701250 is an apocalyptic number.

2564701250 is an abundant number, since it is smaller than the sum of its proper divisors (2589298942).

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

2564701250 is a wasteful number, since it uses less digits than its factorization.

2564701250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2564701250 is about 50642.8795587297. The cubic root of 2564701250 is about 1368.8176436341.

The spelling of 2564701250 in words is "two billion, five hundred sixty-four million, seven hundred one thousand, two hundred fifty".