652242331 has 4 divisors (see below), whose sum is σ = 702414832. Its totient is φ = 602069832.

The previous prime is 652242313. The next prime is 652242337. The reversal of 652242331 is 133242256.

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

It is not a de Polignac number, because 652242331 - 2⁵ = 652242299 is a prime.

It is a super-2 number, since 2×652242331² = 850840116696627122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 652242331.

It is not an unprimeable number, because it can be changed into a prime (652242337) 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, 25086231 + ... + 25086256.

It is an arithmetic number, because the mean of its divisors is an integer number (175603708).

Almost surely, 2^652242331 is an apocalyptic number.

652242331 is a deficient number, since it is larger than the sum of its proper divisors (50172501).

652242331 is a wasteful number, since it uses less digits than its factorization.

652242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50172500.

The product of its digits is 8640, while the sum is 28.

The square root of 652242331 is about 25539.0354359753. The cubic root of 652242331 is about 867.2340619996.

Adding to 652242331 its reverse (133242256), we get a palindrome (785484587).

The spelling of 652242331 in words is "six hundred fifty-two million, two hundred forty-two thousand, three hundred thirty-one".