52131017 has 2 divisors, whose sum is σ = 52131018. Its totient is φ = 52131016.

The previous prime is 52130999. The next prime is 52131019. The reversal of 52131017 is 71013125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51998521 + 132496 = 7211^2 + 364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52131017 is a prime.

Together with 52131019, 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 52131017.

It is not a weakly prime, because it can be changed into another prime (52131019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26065508 + 26065509.

It is an arithmetic number, because the mean of its divisors is an integer number (26065509).

Almost surely, 2^52131017 is an apocalyptic number.

It is an amenable number.

52131017 is a deficient number, since it is larger than the sum of its proper divisors (1).

52131017 is an equidigital number, since it uses as much as digits as its factorization.

52131017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 52131017 is about 7220.1812304124. The cubic root of 52131017 is about 373.5643286826.

The spelling of 52131017 in words is "fifty-two million, one hundred thirty-one thousand, seventeen".