652031313 has 4 divisors (see below), whose sum is σ = 869375088. Its totient is φ = 434687540.

The previous prime is 652031309. The next prime is 652031333. The reversal of 652031313 is 313130256.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652031313 - 2² = 652031309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652031333) 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, 108671883 + ... + 108671888.

It is an arithmetic number, because the mean of its divisors is an integer number (217343772).

Almost surely, 2^652031313 is an apocalyptic number.

It is an amenable number.

652031313 is a deficient number, since it is larger than the sum of its proper divisors (217343775).

652031313 is a wasteful number, since it uses less digits than its factorization.

652031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217343774.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 652031313 is about 25534.9038181075. The cubic root of 652031313 is about 867.1405273692.

Adding to 652031313 its reverse (313130256), we get a palindrome (965161569).

The spelling of 652031313 in words is "six hundred fifty-two million, thirty-one thousand, three hundred thirteen".