5207437517 has 2 divisors, whose sum is σ = 5207437518. Its totient is φ = 5207437516.

The previous prime is 5207437493. The next prime is 5207437579. The reversal of 5207437517 is 7157347025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2726301796 + 2481135721 = 52214^2 + 49811^2 .

It is a cyclic number.

It is not a de Polignac number, because 5207437517 - 2¹⁸ = 5207175373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5207437817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603718758 + 2603718759.

It is an arithmetic number, because the mean of its divisors is an integer number (2603718759).

Almost surely, 2^5207437517 is an apocalyptic number.

It is an amenable number.

5207437517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5207437517 is an equidigital number, since it uses as much as digits as its factorization.

5207437517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 5207437517 is about 72162.5769841959. The cubic root of 5207437517 is about 1733.3038002817.

The spelling of 5207437517 in words is "five billion, two hundred seven million, four hundred thirty-seven thousand, five hundred seventeen".