652909771 has 4 divisors (see below), whose sum is σ = 653154912. Its totient is φ = 652664632.

The previous prime is 652909757. The next prime is 652909781. The reversal of 652909771 is 177909256.

It is a happy number.

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 652909771 - 2⁷ = 652909643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652909781) 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, 118531 + ... + 123916.

It is an arithmetic number, because the mean of its divisors is an integer number (163288728).

Almost surely, 2^652909771 is an apocalyptic number.

652909771 is a deficient number, since it is larger than the sum of its proper divisors (245141).

652909771 is a wasteful number, since it uses less digits than its factorization.

652909771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245140.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 652909771 is about 25552.0991505590. The cubic root of 652909771 is about 867.5297748807.

The spelling of 652909771 in words is "six hundred fifty-two million, nine hundred nine thousand, seven hundred seventy-one".