5181269 has 2 divisors, whose sum is σ = 5181270. Its totient is φ = 5181268.

The previous prime is 5181251. The next prime is 5181283. The reversal of 5181269 is 9621815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4774225 + 407044 = 2185^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 5181269 - 2⁸ = 5181013 is a prime.

It is a super-2 number, since 2×5181269² = 53691096900722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5181299) 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, 2590634 + 2590635.

It is an arithmetic number, because the mean of its divisors is an integer number (2590635).

Almost surely, 2^5181269 is an apocalyptic number.

It is an amenable number.

5181269 is a deficient number, since it is larger than the sum of its proper divisors (1).

5181269 is an equidigital number, since it uses as much as digits as its factorization.

5181269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The square root of 5181269 is about 2276.2401015710. The cubic root of 5181269 is about 173.0395512498.

The spelling of 5181269 in words is "five million, one hundred eighty-one thousand, two hundred sixty-nine".