27425243 has 4 divisors (see below), whose sum is σ = 27634728. Its totient is φ = 27215760.

The previous prime is 27425219. The next prime is 27425249. The reversal of 27425243 is 34252472.

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 27425243 - 2⁶ = 27425179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27425249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104546 + ... + 104807.

It is an arithmetic number, because the mean of its divisors is an integer number (6908682).

Almost surely, 2^27425243 is an apocalyptic number.

27425243 is a deficient number, since it is larger than the sum of its proper divisors (209485).

27425243 is a wasteful number, since it uses less digits than its factorization.

27425243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209484.

The product of its digits is 13440, while the sum is 29.

The square root of 27425243 is about 5236.9115898590. The cubic root of 27425243 is about 301.5667771933.

The spelling of 27425243 in words is "twenty-seven million, four hundred twenty-five thousand, two hundred forty-three".