27245923 has 2 divisors, whose sum is σ = 27245924. Its totient is φ = 27245922.

The previous prime is 27245921. The next prime is 27245927. The reversal of 27245923 is 32954272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27245923 - 2¹ = 27245921 is a prime.

Together with 27245921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27245921) 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 as a sum of consecutive naturals, namely, 13622961 + 13622962.

It is an arithmetic number, because the mean of its divisors is an integer number (13622962).

Almost surely, 2^27245923 is an apocalyptic number.

27245923 is a deficient number, since it is larger than the sum of its proper divisors (1).

27245923 is an equidigital number, since it uses as much as digits as its factorization.

27245923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 27245923 is about 5219.7627340713. The cubic root of 27245923 is about 300.9080744883.

The spelling of 27245923 in words is "twenty-seven million, two hundred forty-five thousand, nine hundred twenty-three".