5397181 has 2 divisors, whose sum is σ = 5397182. Its totient is φ = 5397180.

The previous prime is 5397179. The next prime is 5397221. The reversal of 5397181 is 1817935.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 401956 = 2235^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 5397181 - 2¹ = 5397179 is a prime.

It is a super-2 number, since 2×5397181² = 58259125493522, which contains 22 as substring.

Together with 5397179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5397101) 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, 2698590 + 2698591.

It is an arithmetic number, because the mean of its divisors is an integer number (2698591).

Almost surely, 2^5397181 is an apocalyptic number.

It is an amenable number.

5397181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5397181 is an equidigital number, since it uses as much as digits as its factorization.

5397181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 5397181 is about 2323.1833763179. The cubic root of 5397181 is about 175.4105300677.

The spelling of 5397181 in words is "five million, three hundred ninety-seven thousand, one hundred eighty-one".