27182131 has 2 divisors, whose sum is σ = 27182132. Its totient is φ = 27182130.

The previous prime is 27182123. The next prime is 27182143. The reversal of 27182131 is 13128172.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27182131 - 2³ = 27182123 is a prime.

It is a super-2 number, since 2×27182131² = 1477736491402322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27182096 and 27182105.

It is not a weakly prime, because it can be changed into another prime (27182731) 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, 13591065 + 13591066.

It is an arithmetic number, because the mean of its divisors is an integer number (13591066).

Almost surely, 2^27182131 is an apocalyptic number.

27182131 is a deficient number, since it is larger than the sum of its proper divisors (1).

27182131 is an equidigital number, since it uses as much as digits as its factorization.

27182131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 25.

The square root of 27182131 is about 5213.6485305398. The cubic root of 27182131 is about 300.6730481507.

The spelling of 27182131 in words is "twenty-seven million, one hundred eighty-two thousand, one hundred thirty-one".