52439017 has 2 divisors, whose sum is σ = 52439018. Its totient is φ = 52439016.

The previous prime is 52438979. The next prime is 52439029. The reversal of 52439017 is 71093425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37197801 + 15241216 = 6099^2 + 3904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52439017 is a prime.

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 52439017.

It is not a weakly prime, because it can be changed into another prime (52439417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26219508 + 26219509.

It is an arithmetic number, because the mean of its divisors is an integer number (26219509).

Almost surely, 2^52439017 is an apocalyptic number.

It is an amenable number.

52439017 is a deficient number, since it is larger than the sum of its proper divisors (1).

52439017 is an equidigital number, since it uses as much as digits as its factorization.

52439017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 52439017 is about 7241.4789235349. The cubic root of 52439017 is about 374.2985809965.

The spelling of 52439017 in words is "fifty-two million, four hundred thirty-nine thousand, seventeen".