52170719 has 2 divisors, whose sum is σ = 52170720. Its totient is φ = 52170718.

The previous prime is 52170707. The next prime is 52170721. The reversal of 52170719 is 91707125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52170719 is a prime.

It is a super-2 number, since 2×52170719² = 5443567841953922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 52170721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52170749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26085359 + 26085360.

It is an arithmetic number, because the mean of its divisors is an integer number (26085360).

Almost surely, 2^52170719 is an apocalyptic number.

52170719 is a deficient number, since it is larger than the sum of its proper divisors (1).

52170719 is an equidigital number, since it uses as much as digits as its factorization.

52170719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 52170719 is about 7222.9300841141. The cubic root of 52170719 is about 373.6591378024.

The spelling of 52170719 in words is "fifty-two million, one hundred seventy thousand, seven hundred nineteen".