27225427 has 4 divisors (see below), whose sum is σ = 27241200. Its totient is φ = 27209656.

The previous prime is 27225421. The next prime is 27225431. The reversal of 27225427 is 72452272.

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 27225427 - 2⁷ = 27225299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27225421) 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, 4927 + ... + 8872.

It is an arithmetic number, because the mean of its divisors is an integer number (6810300).

Almost surely, 2^27225427 is an apocalyptic number.

27225427 is a deficient number, since it is larger than the sum of its proper divisors (15773).

27225427 is a wasteful number, since it uses less digits than its factorization.

27225427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15772.

The product of its digits is 15680, while the sum is 31.

The square root of 27225427 is about 5217.7990570738. The cubic root of 27225427 is about 300.8326019239.

Adding to 27225427 its reverse (72452272), we get a palindrome (99677699).

The spelling of 27225427 in words is "twenty-seven million, two hundred twenty-five thousand, four hundred twenty-seven".