652539394 has 32 divisors (see below), whose sum is σ = 1102155264. Its totient is φ = 287496000.

The previous prime is 652539383. The next prime is 652539413. The reversal of 652539394 is 493935256.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448372 + ... + 449824.

It is an arithmetic number, because the mean of its divisors is an integer number (34442352).

Almost surely, 2^652539394 is an apocalyptic number.

652539394 is a deficient number, since it is larger than the sum of its proper divisors (449615870).

652539394 is a wasteful number, since it uses less digits than its factorization.

652539394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its digits is 874800, while the sum is 46.

The square root of 652539394 is about 25544.8506356956. The cubic root of 652539394 is about 867.3657022599.

It can be divided in two parts, 65253 and 9394, that added together give a palindrome (74647).

The spelling of 652539394 in words is "six hundred fifty-two million, five hundred thirty-nine thousand, three hundred ninety-four".