52512617 has 2 divisors, whose sum is σ = 52512618. Its totient is φ = 52512616.

The previous prime is 52512613. The next prime is 52512619. The reversal of 52512617 is 71621525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50922496 + 1590121 = 7136^2 + 1261^2 .

It is a cyclic number.

It is not a de Polignac number, because 52512617 - 2² = 52512613 is a prime.

Together with 52512619, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52512617.

It is not a weakly prime, because it can be changed into another prime (52512613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256308 + 26256309.

It is an arithmetic number, because the mean of its divisors is an integer number (26256309).

Almost surely, 2^52512617 is an apocalyptic number.

It is an amenable number.

52512617 is a deficient number, since it is larger than the sum of its proper divisors (1).

52512617 is an equidigital number, since it uses as much as digits as its factorization.

52512617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 52512617 is about 7246.5589765074. The cubic root of 52512617 is about 374.4736128640.

The spelling of 52512617 in words is "fifty-two million, five hundred twelve thousand, six hundred seventeen".