5287629181 has 2 divisors, whose sum is σ = 5287629182. Its totient is φ = 5287629180.

The previous prime is 5287629169. The next prime is 5287629239. The reversal of 5287629181 is 1819267825.

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., 2861180100 + 2426449081 = 53490^2 + 49259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5287629181 is a prime.

It is a super-2 number, since 2×5287629181² = 55918044711525461522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5287629101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643814590 + 2643814591.

It is an arithmetic number, because the mean of its divisors is an integer number (2643814591).

Almost surely, 2^5287629181 is an apocalyptic number.

It is an amenable number.

5287629181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287629181 is an equidigital number, since it uses as much as digits as its factorization.

5287629181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 49.

The square root of 5287629181 is about 72716.0861226730. The cubic root of 5287629181 is about 1742.1558231654.

The spelling of 5287629181 in words is "five billion, two hundred eighty-seven million, six hundred twenty-nine thousand, one hundred eighty-one".