652231057 has 4 divisors (see below), whose sum is σ = 655508800. Its totient is φ = 648953316.

The previous prime is 652231051. The next prime is 652231081. The reversal of 652231057 is 750132256.

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 652231057 - 2¹⁵ = 652198289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652231051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638573 + ... + 1638970.

It is an arithmetic number, because the mean of its divisors is an integer number (163877200).

Almost surely, 2^652231057 is an apocalyptic number.

It is an amenable number.

652231057 is a deficient number, since it is larger than the sum of its proper divisors (3277743).

652231057 is a wasteful number, since it uses less digits than its factorization.

652231057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277742.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 652231057 is about 25538.8147140779. The cubic root of 652231057 is about 867.2290652611.

The spelling of 652231057 in words is "six hundred fifty-two million, two hundred thirty-one thousand, fifty-seven".