27531107 has 2 divisors, whose sum is σ = 27531108. Its totient is φ = 27531106.

The previous prime is 27531083. The next prime is 27531113. The reversal of 27531107 is 70113572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27531107 is a prime.

It is not a weakly prime, because it can be changed into another prime (27531407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13765553 + 13765554.

It is an arithmetic number, because the mean of its divisors is an integer number (13765554).

Almost surely, 2^27531107 is an apocalyptic number.

27531107 is a deficient number, since it is larger than the sum of its proper divisors (1).

27531107 is an equidigital number, since it uses as much as digits as its factorization.

27531107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 27531107 is about 5247.0093386614. The cubic root of 27531107 is about 301.9543043005.

Adding to 27531107 its reverse (70113572), we get a palindrome (97644679).

The spelling of 27531107 in words is "twenty-seven million, five hundred thirty-one thousand, one hundred seven".