655252764 has 24 divisors (see below), whose sum is σ = 1551744768. Its totient is φ = 215157360.

The previous prime is 655252747. The next prime is 655252771. The reversal of 655252764 is 467252556.

655252764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406692 + ... + 408299.

It is an arithmetic number, because the mean of its divisors is an integer number (64656032).

Almost surely, 2^655252764 is an apocalyptic number.

It is an amenable number.

655252764 is an abundant number, since it is smaller than the sum of its proper divisors (896492004).

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

655252764 is a wasteful number, since it uses less digits than its factorization.

655252764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815065 (or 815063 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 655252764 is about 25597.9054611896. The cubic root of 655252764 is about 868.5662578889.

The spelling of 655252764 in words is "six hundred fifty-five million, two hundred fifty-two thousand, seven hundred sixty-four".