2525644630 has 32 divisors (see below), whose sum is σ = 4593853440. Its totient is φ = 999704160.

The previous prime is 2525644613. The next prime is 2525644631. The reversal of 2525644630 is 364465252.

It is a self number, because there is not a number n which added to its sum of digits gives 2525644630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525644631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493947 + ... + 499033.

It is an arithmetic number, because the mean of its divisors is an integer number (143557920).

Almost surely, 2^2525644630 is an apocalyptic number.

2525644630 is a deficient number, since it is larger than the sum of its proper divisors (2068208810).

2525644630 is a wasteful number, since it uses less digits than its factorization.

2525644630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2525644630 is about 50255.7920045043. The cubic root of 2525644630 is about 1361.8337126632.

The spelling of 2525644630 in words is "two billion, five hundred twenty-five million, six hundred forty-four thousand, six hundred thirty".