52007317 has 4 divisors (see below), whose sum is σ = 52719820. Its totient is φ = 51294816.

The previous prime is 52007309. The next prime is 52007323. The reversal of 52007317 is 71370025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30902481 + 21104836 = 5559^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 52007317 - 2³ = 52007309 is a prime.

It is a super-2 number, since 2×52007317² = 5409522043076978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52007291 and 52007300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52007357) 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, 356142 + ... + 356287.

It is an arithmetic number, because the mean of its divisors is an integer number (13179955).

Almost surely, 2^52007317 is an apocalyptic number.

It is an amenable number.

52007317 is a deficient number, since it is larger than the sum of its proper divisors (712503).

52007317 is an equidigital number, since it uses as much as digits as its factorization.

52007317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712502.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 52007317 is about 7211.6098757490. The cubic root of 52007317 is about 373.2686217736.

The spelling of 52007317 in words is "fifty-two million, seven thousand, three hundred seventeen".