27425161 has 4 divisors (see below), whose sum is σ = 27439632. Its totient is φ = 27410692.

The previous prime is 27425159. The next prime is 27425179. The reversal of 27425161 is 16152472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27425161 - 2¹ = 27425159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27425141) 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, 3871 + ... + 8356.

It is an arithmetic number, because the mean of its divisors is an integer number (6859908).

Almost surely, 2^27425161 is an apocalyptic number.

It is an amenable number.

27425161 is a deficient number, since it is larger than the sum of its proper divisors (14471).

27425161 is a wasteful number, since it uses less digits than its factorization.

27425161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470.

The product of its digits is 3360, while the sum is 28.

The square root of 27425161 is about 5236.9037608113. The cubic root of 27425161 is about 301.5664766369.

The spelling of 27425161 in words is "twenty-seven million, four hundred twenty-five thousand, one hundred sixty-one".