5157457 has 2 divisors, whose sum is σ = 5157458. Its totient is φ = 5157456.

The previous prime is 5157421. The next prime is 5157479. The reversal of 5157457 is 7547515.

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., 5157441 + 16 = 2271^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 5157457 - 2⁷ = 5157329 is a prime.

It is not a weakly prime, because it can be changed into another prime (5157407) 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 as a sum of consecutive naturals, namely, 2578728 + 2578729.

It is an arithmetic number, because the mean of its divisors is an integer number (2578729).

Almost surely, 2^5157457 is an apocalyptic number.

It is an amenable number.

5157457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157457 is an equidigital number, since it uses as much as digits as its factorization.

5157457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24500, while the sum is 34.

The square root of 5157457 is about 2271.0035226745. The cubic root of 5157457 is about 172.7740599100.

The spelling of 5157457 in words is "five million, one hundred fifty-seven thousand, four hundred fifty-seven".