652680919 has 16 divisors (see below), whose sum is σ = 724840704. Its totient is φ = 582724800.

The previous prime is 652680911. The next prime is 652680953. The reversal of 652680919 is 919086256.

It is a cyclic number.

It is not a de Polignac number, because 652680919 - 2³ = 652680911 is a prime.

It is a super-2 number, since 2×652680919² = 851984764053369122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652680911) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 219547 + ... + 222499.

It is an arithmetic number, because the mean of its divisors is an integer number (45302544).

Almost surely, 2^652680919 is an apocalyptic number.

652680919 is a deficient number, since it is larger than the sum of its proper divisors (72159785).

652680919 is a wasteful number, since it uses less digits than its factorization.

652680919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 652680919 is about 25547.6206132783. The cubic root of 652680919 is about 867.4284034847.

The spelling of 652680919 in words is "six hundred fifty-two million, six hundred eighty thousand, nine hundred nineteen".