27513331 has 2 divisors, whose sum is σ = 27513332. Its totient is φ = 27513330.

The previous prime is 27513329. The next prime is 27513347. The reversal of 27513331 is 13331572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27513331 - 2¹ = 27513329 is a prime.

It is a super-2 number, since 2×27513331² = 1513966765431122, which contains 22 as substring.

Together with 27513329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 27513296 and 27513305.

It is not a weakly prime, because it can be changed into another prime (27513301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13756665 + 13756666.

It is an arithmetic number, because the mean of its divisors is an integer number (13756666).

Almost surely, 2^27513331 is an apocalyptic number.

27513331 is a deficient number, since it is larger than the sum of its proper divisors (1).

27513331 is an equidigital number, since it uses as much as digits as its factorization.

27513331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 25.

The square root of 27513331 is about 5245.3151478248. The cubic root of 27513331 is about 301.8893027328.

The spelling of 27513331 in words is "twenty-seven million, five hundred thirteen thousand, three hundred thirty-one".