2525001564 has 24 divisors (see below), whose sum is σ = 6035370768. Its totient is φ = 821138560.

The previous prime is 2525001547. The next prime is 2525001569. The reversal of 2525001564 is 4651005252.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525001569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565567 + ... + 2566550.

It is an arithmetic number, because the mean of its divisors is an integer number (251473782).

Almost surely, 2^2525001564 is an apocalyptic number.

It is an amenable number.

2525001564 is an abundant number, since it is smaller than the sum of its proper divisors (3510369204).

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

2525001564 is a wasteful number, since it uses less digits than its factorization.

2525001564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132165 (or 5132163 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2525001564 is about 50249.3936679837. The cubic root of 2525001564 is about 1361.7181219364.

The spelling of 2525001564 in words is "two billion, five hundred twenty-five million, one thousand, five hundred sixty-four".