5157917 has 2 divisors, whose sum is σ = 5157918. Its totient is φ = 5157916.

The previous prime is 5157883. The next prime is 5157941. The reversal of 5157917 is 7197515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5112121 + 45796 = 2261^2 + 214^2 .

It is a cyclic number.

It is not a de Polignac number, because 5157917 - 2⁸ = 5157661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5157947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578958 + 2578959.

It is an arithmetic number, because the mean of its divisors is an integer number (2578959).

Almost surely, 2^5157917 is an apocalyptic number.

It is an amenable number.

5157917 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157917 is an equidigital number, since it uses as much as digits as its factorization.

5157917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11025, while the sum is 35.

The square root of 5157917 is about 2271.1047972298. The cubic root of 5157917 is about 172.7791964017.

The spelling of 5157917 in words is "five million, one hundred fifty-seven thousand, nine hundred seventeen".