5136881 has 2 divisors, whose sum is σ = 5136882. Its totient is φ = 5136880.

The previous prime is 5136863. The next prime is 5136893. The reversal of 5136881 is 1886315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4800481 + 336400 = 2191^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 5136881 - 2²² = 942577 is a prime.

It is a super-2 number, since 2×5136881² = 52775092816322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5136811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568440 + 2568441.

It is an arithmetic number, because the mean of its divisors is an integer number (2568441).

Almost surely, 2^5136881 is an apocalyptic number.

It is an amenable number.

5136881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5136881 is an equidigital number, since it uses as much as digits as its factorization.

5136881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 5136881 is about 2266.4688394064. The cubic root of 5136881 is about 172.5439893414.

The spelling of 5136881 in words is "five million, one hundred thirty-six thousand, eight hundred eighty-one".