5137381 has 2 divisors, whose sum is σ = 5137382. Its totient is φ = 5137380.

The previous prime is 5137373. The next prime is 5137387. The reversal of 5137381 is 1837315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4661281 + 476100 = 2159^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 5137381 - 2³ = 5137373 is a prime.

It is a super-2 number, since 2×5137381² = 52785367078322, which contains 22 as substring.

5137381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5137387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568690 + 2568691.

It is an arithmetic number, because the mean of its divisors is an integer number (2568691).

Almost surely, 2^5137381 is an apocalyptic number.

It is an amenable number.

5137381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5137381 is an equidigital number, since it uses as much as digits as its factorization.

5137381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 5137381 is about 2266.5791404670. The cubic root of 5137381 is about 172.5495873684.

The spelling of 5137381 in words is "five million, one hundred thirty-seven thousand, three hundred eighty-one".