652067857 has 16 divisors (see below), whose sum is σ = 781886464. Its totient is φ = 532008000.

The previous prime is 652067849. The next prime is 652067869. The reversal of 652067857 is 758760256.

It is a cyclic number.

It is not a de Polignac number, because 652067857 - 2³ = 652067849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652067807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11394 + ... + 37867.

It is an arithmetic number, because the mean of its divisors is an integer number (48867904).

Almost surely, 2^652067857 is an apocalyptic number.

It is an amenable number.

652067857 is a deficient number, since it is larger than the sum of its proper divisors (129818607).

652067857 is a wasteful number, since it uses less digits than its factorization.

652067857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49360.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 652067857 is about 25535.6193776458. The cubic root of 652067857 is about 867.1567270980.

The spelling of 652067857 in words is "six hundred fifty-two million, sixty-seven thousand, eight hundred fifty-seven".