27314431 has 2 divisors, whose sum is σ = 27314432. Its totient is φ = 27314430.

The previous prime is 27314429. The next prime is 27314437. The reversal of 27314431 is 13441372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27314431 - 2¹ = 27314429 is a prime.

It is a super-2 number, since 2×27314431² = 1492156281707522, which contains 22 as substring.

Together with 27314429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 27314396 and 27314405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27314437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13657215 + 13657216.

It is an arithmetic number, because the mean of its divisors is an integer number (13657216).

Almost surely, 2^27314431 is an apocalyptic number.

27314431 is a deficient number, since it is larger than the sum of its proper divisors (1).

27314431 is an equidigital number, since it uses as much as digits as its factorization.

27314431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 27314431 is about 5226.3209813405. The cubic root of 27314431 is about 301.1600676209.

The spelling of 27314431 in words is "twenty-seven million, three hundred fourteen thousand, four hundred thirty-one".