5313181 has 2 divisors, whose sum is σ = 5313182. Its totient is φ = 5313180.

The previous prime is 5313173. The next prime is 5313199. The reversal of 5313181 is 1813135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 940900 = 2091^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 5313181 - 2³ = 5313173 is a prime.

It is a super-2 number, since 2×5313181² = 56459784677522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5313131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656590 + 2656591.

It is an arithmetic number, because the mean of its divisors is an integer number (2656591).

Almost surely, 2^5313181 is an apocalyptic number.

It is an amenable number.

5313181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5313181 is an equidigital number, since it uses as much as digits as its factorization.

5313181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 5313181 is about 2305.0338392310. The cubic root of 5313181 is about 174.4957566366.

The spelling of 5313181 in words is "five million, three hundred thirteen thousand, one hundred eighty-one".