52207517 has 2 divisors, whose sum is σ = 52207518. Its totient is φ = 52207516.

The previous prime is 52207487. The next prime is 52207531. The reversal of 52207517 is 71570225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 1811716 = 7099^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 52207517 - 2¹⁰ = 52206493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52207517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52207577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103758 + 26103759.

It is an arithmetic number, because the mean of its divisors is an integer number (26103759).

Almost surely, 2^52207517 is an apocalyptic number.

It is an amenable number.

52207517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52207517 is an equidigital number, since it uses as much as digits as its factorization.

52207517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 52207517 is about 7225.4769392754. The cubic root of 52207517 is about 373.7469691741.

The spelling of 52207517 in words is "fifty-two million, two hundred seven thousand, five hundred seventeen".