652678937 has 4 divisors (see below), whose sum is σ = 687030480. Its totient is φ = 618327396.

The previous prime is 652678933. The next prime is 652678951. The reversal of 652678937 is 739876256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652678937 - 2² = 652678933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652678933) 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, 17175743 + ... + 17175780.

It is an arithmetic number, because the mean of its divisors is an integer number (171757620).

Almost surely, 2^652678937 is an apocalyptic number.

It is an amenable number.

652678937 is a deficient number, since it is larger than the sum of its proper divisors (34351543).

652678937 is a wasteful number, since it uses less digits than its factorization.

652678937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34351542.

The product of its digits is 3810240, while the sum is 53.

The square root of 652678937 is about 25547.5818229436. The cubic root of 652678937 is about 867.4275254422.

The spelling of 652678937 in words is "six hundred fifty-two million, six hundred seventy-eight thousand, nine hundred thirty-seven".