27426131 has 4 divisors (see below), whose sum is σ = 28063992. Its totient is φ = 26788272.

The previous prime is 27426127. The next prime is 27426137. The reversal of 27426131 is 13162472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27426131 - 2² = 27426127 is a prime.

It is a super-2 number, since 2×27426131² = 1504385323258322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27426131.

It is not an unprimeable number, because it can be changed into a prime (27426137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318866 + ... + 318951.

It is an arithmetic number, because the mean of its divisors is an integer number (7015998).

Almost surely, 2^27426131 is an apocalyptic number.

27426131 is a deficient number, since it is larger than the sum of its proper divisors (637861).

27426131 is an equidigital number, since it uses as much as digits as its factorization.

27426131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637860.

The product of its digits is 2016, while the sum is 26.

The square root of 27426131 is about 5236.9963719674. The cubic root of 27426131 is about 301.5700319613.

The spelling of 27426131 in words is "twenty-seven million, four hundred twenty-six thousand, one hundred thirty-one".