5156399 has 2 divisors, whose sum is σ = 5156400. Its totient is φ = 5156398.

The previous prime is 5156383. The next prime is 5156413. The reversal of 5156399 is 9936515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5156399 - 2⁴ = 5156383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5156309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578199 + 2578200.

It is an arithmetic number, because the mean of its divisors is an integer number (2578200).

Almost surely, 2^5156399 is an apocalyptic number.

5156399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156399 is an equidigital number, since it uses as much as digits as its factorization.

5156399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 38.

The square root of 5156399 is about 2270.7705740563. The cubic root of 5156399 is about 172.7622448200.

It can be divided in two parts, 5156 and 399, that added together give a palindrome (5555).

The spelling of 5156399 in words is "five million, one hundred fifty-six thousand, three hundred ninety-nine".