652563901 has 4 divisors (see below), whose sum is σ = 711887904. Its totient is φ = 593239900.

The previous prime is 652563883. The next prime is 652563907. The reversal of 652563901 is 109365256.

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 not a de Polignac number, because 652563901 - 2⁵ = 652563869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652563907) 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, 29661985 + ... + 29662006.

It is an arithmetic number, because the mean of its divisors is an integer number (177971976).

Almost surely, 2^652563901 is an apocalyptic number.

It is an amenable number.

652563901 is a deficient number, since it is larger than the sum of its proper divisors (59324003).

652563901 is a wasteful number, since it uses less digits than its factorization.

652563901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59324002.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 652563901 is about 25545.3303169092. The cubic root of 652563901 is about 867.3765604882.

The spelling of 652563901 in words is "six hundred fifty-two million, five hundred sixty-three thousand, nine hundred one".