652798173 has 4 divisors (see below), whose sum is σ = 870397568. Its totient is φ = 435198780.

The previous prime is 652798129. The next prime is 652798231. The reversal of 652798173 is 371897256.

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 652798173 - 2⁶ = 652798109 is a prime.

It is a super-2 number, since 2×652798173² = 852290909344275858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652798103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108799693 + ... + 108799698.

It is an arithmetic number, because the mean of its divisors is an integer number (217599392).

Almost surely, 2^652798173 is an apocalyptic number.

It is an amenable number.

652798173 is a deficient number, since it is larger than the sum of its proper divisors (217599395).

652798173 is a wasteful number, since it uses less digits than its factorization.

652798173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217599394.

The product of its digits is 635040, while the sum is 48.

The square root of 652798173 is about 25549.9153227560. The cubic root of 652798173 is about 867.4803448223.

The spelling of 652798173 in words is "six hundred fifty-two million, seven hundred ninety-eight thousand, one hundred seventy-three".