652625769 has 4 divisors (see below), whose sum is σ = 870167696. Its totient is φ = 435083844.

The previous prime is 652625731. The next prime is 652625783. The reversal of 652625769 is 967526256.

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 652625769 - 2²⁰ = 651577193 is a prime.

It is a super-2 number, since 2×652625769² = 851840788725682722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (652625269) 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, 108770959 + ... + 108770964.

It is an arithmetic number, because the mean of its divisors is an integer number (217541924).

Almost surely, 2^652625769 is an apocalyptic number.

It is an amenable number.

652625769 is a deficient number, since it is larger than the sum of its proper divisors (217541927).

652625769 is a wasteful number, since it uses less digits than its factorization.

652625769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217541926.

The product of its digits is 1360800, while the sum is 48.

The square root of 652625769 is about 25546.5412335995. The cubic root of 652625769 is about 867.4039709110.

The spelling of 652625769 in words is "six hundred fifty-two million, six hundred twenty-five thousand, seven hundred sixty-nine".