5157309697 has 2 divisors, whose sum is σ = 5157309698. Its totient is φ = 5157309696.

The previous prime is 5157309667. The next prime is 5157309709. The reversal of 5157309697 is 7969037515.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3635607616 + 1521702081 = 60296^2 + 39009^2 .

It is a cyclic number.

It is not a de Polignac number, because 5157309697 - 2³¹ = 3009826049 is a prime.

It is not a weakly prime, because it can be changed into another prime (5157309667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578654848 + 2578654849.

It is an arithmetic number, because the mean of its divisors is an integer number (2578654849).

Almost surely, 2^5157309697 is an apocalyptic number.

It is an amenable number.

5157309697 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157309697 is an equidigital number, since it uses as much as digits as its factorization.

5157309697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1786050, while the sum is 52.

The square root of 5157309697 is about 71814.4114854393. The cubic root of 5157309697 is about 1727.7241501801.

The spelling of 5157309697 in words is "five billion, one hundred fifty-seven million, three hundred nine thousand, six hundred ninety-seven".