27144031 has 4 divisors (see below), whose sum is σ = 27214200. Its totient is φ = 27073864.

The previous prime is 27144023. The next prime is 27144037. The reversal of 27144031 is 13044172.

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 27144031 - 2³ = 27144023 is a prime.

It is a super-2 number, since 2×27144031² = 1473596837857922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27143993 and 27144011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34501 + ... + 35278.

It is an arithmetic number, because the mean of its divisors is an integer number (6803550).

Almost surely, 2^27144031 is an apocalyptic number.

27144031 is a deficient number, since it is larger than the sum of its proper divisors (70169).

27144031 is an equidigital number, since it uses as much as digits as its factorization.

27144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70168.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 27144031 is about 5209.9933781148. The cubic root of 27144031 is about 300.5325023929.

The spelling of 27144031 in words is "twenty-seven million, one hundred forty-four thousand, thirty-one".