652357909 has 16 divisors (see below), whose sum is σ = 753984000. Its totient is φ = 552875904.

The previous prime is 652357891. The next prime is 652357933. The reversal of 652357909 is 909753256.

It is a happy number.

It is not a de Polignac number, because 652357909 - 2⁷ = 652357781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652357709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247969 + ... + 250585.

It is an arithmetic number, because the mean of its divisors is an integer number (47124000).

Almost surely, 2^652357909 is an apocalyptic number.

It is an amenable number.

652357909 is a deficient number, since it is larger than the sum of its proper divisors (101626091).

652357909 is a wasteful number, since it uses less digits than its factorization.

652357909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 652357909 is about 25541.2981071832. The cubic root of 652357909 is about 867.2852838915.

The spelling of 652357909 in words is "six hundred fifty-two million, three hundred fifty-seven thousand, nine hundred nine".