652519937 has 4 divisors (see below), whose sum is σ = 653490180. Its totient is φ = 651549696.

The previous prime is 652519921. The next prime is 652519939. The reversal of 652519937 is 739915256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261113281 + 391406656 = 16159^2 + 19784^2 .

It is a cyclic number.

It is not a de Polignac number, because 652519937 - 2⁴ = 652519921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652519891 and 652519900.

It is not an unprimeable number, because it can be changed into a prime (652519939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484112 + ... + 485457.

It is an arithmetic number, because the mean of its divisors is an integer number (163372545).

Almost surely, 2^652519937 is an apocalyptic number.

It is an amenable number.

652519937 is a deficient number, since it is larger than the sum of its proper divisors (970243).

652519937 is an equidigital number, since it uses as much as digits as its factorization.

652519937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970242.

The product of its digits is 510300, while the sum is 47.

The square root of 652519937 is about 25544.4697928926. The cubic root of 652519937 is about 867.3570813233.

It can be divided in two parts, 6525 and 19937, that added together give a palindrome (26462).

The spelling of 652519937 in words is "six hundred fifty-two million, five hundred nineteen thousand, nine hundred thirty-seven".