5215361797 has 2 divisors, whose sum is σ = 5215361798. Its totient is φ = 5215361796.

The previous prime is 5215361783. The next prime is 5215361839. The reversal of 5215361797 is 7971635125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5203313956 + 12047841 = 72134^2 + 3471^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215361797 - 2¹¹ = 5215359749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215361717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607680898 + 2607680899.

It is an arithmetic number, because the mean of its divisors is an integer number (2607680899).

Almost surely, 2^5215361797 is an apocalyptic number.

It is an amenable number.

5215361797 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215361797 is an equidigital number, since it uses as much as digits as its factorization.

5215361797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 46.

The square root of 5215361797 is about 72217.4618565344. The cubic root of 5215361797 is about 1734.1825577272.

The spelling of 5215361797 in words is "five billion, two hundred fifteen million, three hundred sixty-one thousand, seven hundred ninety-seven".