652040667 has 12 divisors (see below), whose sum is σ = 945341280. Its totient is φ = 433076208.

The previous prime is 652040629. The next prime is 652040687. The reversal of 652040667 is 766040256.

It is not a de Polignac number, because 652040667 - 2²³ = 643652059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652040687) 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 11 ways as a sum of consecutive naturals, for example, 132243 + ... + 137084.

It is an arithmetic number, because the mean of its divisors is an integer number (78778440).

Almost surely, 2^652040667 is an apocalyptic number.

652040667 is a deficient number, since it is larger than the sum of its proper divisors (293300613).

652040667 is a wasteful number, since it uses less digits than its factorization.

652040667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269602 (or 269599 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 652040667 is about 25535.0869785086. The cubic root of 652040667 is about 867.1446739971.

The spelling of 652040667 in words is "six hundred fifty-two million, forty thousand, six hundred sixty-seven".