652436257553 has 4 divisors (see below), whose sum is σ = 652742424048. Its totient is φ = 652130091060.

The previous prime is 652436257549. The next prime is 652436257633. The reversal of 652436257553 is 355752634256.

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 652436257553 - 2² = 652436257549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652436257495 and 652436257504.

It is not an unprimeable number, because it can be changed into a prime (652436251553) 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, 153080051 + ... + 153084312.

It is an arithmetic number, because the mean of its divisors is an integer number (163185606012).

Almost surely, 2^652436257553 is an apocalyptic number.

It is an amenable number.

652436257553 is a deficient number, since it is larger than the sum of its proper divisors (306166495).

652436257553 is a wasteful number, since it uses less digits than its factorization.

652436257553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306166494.

The product of its digits is 22680000, while the sum is 53.

The spelling of 652436257553 in words is "six hundred fifty-two billion, four hundred thirty-six million, two hundred fifty-seven thousand, five hundred fifty-three".