652971143 has 4 divisors (see below), whose sum is σ = 712332168. Its totient is φ = 593610120.

The previous prime is 652971133. The next prime is 652971191. The reversal of 652971143 is 341179256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 652971143 - 2¹² = 652967047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652971097 and 652971106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652971133) 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, 29680496 + ... + 29680517.

It is an arithmetic number, because the mean of its divisors is an integer number (178083042).

Almost surely, 2^652971143 is an apocalyptic number.

652971143 is a deficient number, since it is larger than the sum of its proper divisors (59361025).

652971143 is a wasteful number, since it uses less digits than its factorization.

652971143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59361024.

The product of its digits is 45360, while the sum is 38.

The square root of 652971143 is about 25553.3000412863. The cubic root of 652971143 is about 867.5569559562.

The spelling of 652971143 in words is "six hundred fifty-two million, nine hundred seventy-one thousand, one hundred forty-three".