652991155 has 8 divisors (see below), whose sum is σ = 784054512. Its totient is φ = 522082848.

The previous prime is 652991123. The next prime is 652991177. The reversal of 652991155 is 551199256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 652991155 - 2⁵ = 652991123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29284 + ... + 46513.

It is an arithmetic number, because the mean of its divisors is an integer number (98006814).

Almost surely, 2^652991155 is an apocalyptic number.

652991155 is a deficient number, since it is larger than the sum of its proper divisors (131063357).

652991155 is a wasteful number, since it uses less digits than its factorization.

652991155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77525.

The product of its digits is 121500, while the sum is 43.

The square root of 652991155 is about 25553.6916119765. The cubic root of 652991155 is about 867.5658187125.

The spelling of 652991155 in words is "six hundred fifty-two million, nine hundred ninety-one thousand, one hundred fifty-five".