5157697 has 4 divisors (see below), whose sum is σ = 5168340. Its totient is φ = 5147056.

The previous prime is 5157661. The next prime is 5157709. The reversal of 5157697 is 7967515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4165681 + 992016 = 2041^2 + 996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5157697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5157617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4558 + ... + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (1292085).

Almost surely, 2^5157697 is an apocalyptic number.

It is an amenable number.

5157697 is a deficient number, since it is larger than the sum of its proper divisors (10643).

5157697 is a wasteful number, since it uses less digits than its factorization.

5157697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642.

The product of its digits is 66150, while the sum is 40.

The square root of 5157697 is about 2271.0563621364. The cubic root of 5157697 is about 172.7767398568.

The spelling of 5157697 in words is "five million, one hundred fifty-seven thousand, six hundred ninety-seven".