652572667 has 4 divisors (see below), whose sum is σ = 652698256. Its totient is φ = 652447080.

The previous prime is 652572649. The next prime is 652572709. The reversal of 652572667 is 766275256.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652572667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652572637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54648 + ... + 65509.

It is an arithmetic number, because the mean of its divisors is an integer number (163174564).

Almost surely, 2^652572667 is an apocalyptic number.

652572667 is a deficient number, since it is larger than the sum of its proper divisors (125589).

652572667 is a wasteful number, since it uses less digits than its factorization.

652572667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125588.

The product of its digits is 1058400, while the sum is 46.

The square root of 652572667 is about 25545.5018936798. The cubic root of 652572667 is about 867.3804443423.

The spelling of 652572667 in words is "six hundred fifty-two million, five hundred seventy-two thousand, six hundred sixty-seven".