5137391 has 16 divisors (see below), whose sum is σ = 6255360. Its totient is φ = 4132728.

The previous prime is 5137387. The next prime is 5137393. The reversal of 5137391 is 1937315.

It is not a de Polignac number, because 5137391 - 2² = 5137387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47960 + ... + 48066.

It is an arithmetic number, because the mean of its divisors is an integer number (390960).

Almost surely, 2^5137391 is an apocalyptic number.

5137391 is a deficient number, since it is larger than the sum of its proper divisors (1117969).

5137391 is an equidigital number, since it uses as much as digits as its factorization.

5137391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 133 counting only the distinct ones).

The product of its digits is 2835, while the sum is 29.

The square root of 5137391 is about 2266.5813464334. The cubic root of 5137391 is about 172.5496993252.

The spelling of 5137391 in words is "five million, one hundred thirty-seven thousand, three hundred ninety-one".