652398291 has 6 divisors (see below), whose sum is σ = 942353100. Its totient is φ = 434932188.

The previous prime is 652398283. The next prime is 652398293. The reversal of 652398291 is 192893256.

It is not a de Polignac number, because 652398291 - 2³ = 652398283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652398293) 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 5 ways as a sum of consecutive naturals, for example, 36244341 + ... + 36244358.

It is an arithmetic number, because the mean of its divisors is an integer number (157058850).

Almost surely, 2^652398291 is an apocalyptic number.

652398291 is a deficient number, since it is larger than the sum of its proper divisors (289954809).

652398291 is a wasteful number, since it uses less digits than its factorization.

652398291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72488705 (or 72488702 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 652398291 is about 25542.0886185919. The cubic root of 652398291 is about 867.3031789720.

The spelling of 652398291 in words is "six hundred fifty-two million, three hundred ninety-eight thousand, two hundred ninety-one".