652193953 has 6 divisors (see below), whose sum is σ = 659171814. Its totient is φ = 645221376.

The previous prime is 652193939. The next prime is 652193999. The reversal of 652193953 is 359391256.

It can be written as a sum of positive squares in 3 ways, for example, as 134722449 + 517471504 = 11607^2 + 22748^2 .

It is a de Polignac number, because none of the positive numbers 2^k-652193953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652193923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250225 + ... + 252817.

It is an arithmetic number, because the mean of its divisors is an integer number (109861969).

Almost surely, 2^652193953 is an apocalyptic number.

It is an amenable number.

652193953 is a deficient number, since it is larger than the sum of its proper divisors (6977861).

652193953 is an frugal number, since it uses more digits than its factorization.

652193953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283 (or 2690 counting only the distinct ones).

The product of its digits is 218700, while the sum is 43.

The square root of 652193953 is about 25538.0882800573. The cubic root of 652193953 is about 867.2126200269.

The spelling of 652193953 in words is "six hundred fifty-two million, one hundred ninety-three thousand, nine hundred fifty-three".