652317137 has 4 divisors (see below), whose sum is σ = 652741440. Its totient is φ = 651892836.

The previous prime is 652317119. The next prime is 652317173. The reversal of 652317137 is 731713256.

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 652317137 - 2²² = 648122833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652317097 and 652317106.

It is not an unprimeable number, because it can be changed into a prime (651317137) 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, 209837 + ... + 212922.

It is an arithmetic number, because the mean of its divisors is an integer number (163185360).

Almost surely, 2^652317137 is an apocalyptic number.

It is an amenable number.

652317137 is a deficient number, since it is larger than the sum of its proper divisors (424303).

652317137 is a wasteful number, since it uses less digits than its factorization.

652317137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424302.

The product of its digits is 26460, while the sum is 35.

The square root of 652317137 is about 25540.4999363756. The cubic root of 652317137 is about 867.2672152354.

The spelling of 652317137 in words is "six hundred fifty-two million, three hundred seventeen thousand, one hundred thirty-seven".