52152317 has 6 divisors (see below), whose sum is σ = 60667038. Its totient is φ = 44701944.

The previous prime is 52152313. The next prime is 52152319. The reversal of 52152317 is 71325125.

It can be written as a sum of positive squares in only one way, i.e., 51681721 + 470596 = 7189^2 + 686^2 .

It is not a de Polignac number, because 52152317 - 2² = 52152313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532118 + ... + 532215.

It is an arithmetic number, because the mean of its divisors is an integer number (10111173).

Almost surely, 2^52152317 is an apocalyptic number.

It is an amenable number.

52152317 is a deficient number, since it is larger than the sum of its proper divisors (8514721).

52152317 is a wasteful number, since it uses less digits than its factorization.

52152317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064347 (or 1064340 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 52152317 is about 7221.6561120009. The cubic root of 52152317 is about 373.6151994643.

The spelling of 52152317 in words is "fifty-two million, one hundred fifty-two thousand, three hundred seventeen".