652018244 has 12 divisors (see below), whose sum is σ = 1168862268. Its totient is φ = 318057600.

The previous prime is 652018219. The next prime is 652018321. The reversal of 652018244 is 442810256.

It can be written as a sum of positive squares in 2 ways, for example, as 352312900 + 299705344 = 18770^2 + 17312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 652018244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987697 + ... + 1988024.

It is an arithmetic number, because the mean of its divisors is an integer number (97405189).

Almost surely, 2^652018244 is an apocalyptic number.

It is an amenable number.

652018244 is a deficient number, since it is larger than the sum of its proper divisors (516844024).

652018244 is a wasteful number, since it uses less digits than its factorization.

652018244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975766 (or 3975764 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 652018244 is about 25534.6479121996. The cubic root of 652018244 is about 867.1347338155.

The spelling of 652018244 in words is "six hundred fifty-two million, eighteen thousand, two hundred forty-four".