652655919 has 4 divisors (see below), whose sum is σ = 870207896. Its totient is φ = 435103944.

The previous prime is 652655903. The next prime is 652655923. The reversal of 652655919 is 919556256.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 652655919 - 2⁴ = 652655903 is a prime.

It is a super-2 number, since 2×652655919² = 851919497211469122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652655119) 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 3 ways as a sum of consecutive naturals, for example, 108775984 + ... + 108775989.

It is an arithmetic number, because the mean of its divisors is an integer number (217551974).

Almost surely, 2^652655919 is an apocalyptic number.

652655919 is a deficient number, since it is larger than the sum of its proper divisors (217551977).

652655919 is a wasteful number, since it uses less digits than its factorization.

652655919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217551976.

The product of its digits is 729000, while the sum is 48.

The square root of 652655919 is about 25547.1313262370. The cubic root of 652655919 is about 867.4173281459.

The spelling of 652655919 in words is "six hundred fifty-two million, six hundred fifty-five thousand, nine hundred nineteen".