27425725 has 6 divisors (see below), whose sum is σ = 34007930. Its totient is φ = 21940560.

The previous prime is 27425711. The next prime is 27425747. The reversal of 27425725 is 52752472.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3189796 + 24235929 = 1786^2 + 4923^2 .

It is not a de Polignac number, because 27425725 - 2¹⁵ = 27392957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548490 + ... + 548539.

Almost surely, 2^27425725 is an apocalyptic number.

27425725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27425725 is a deficient number, since it is larger than the sum of its proper divisors (6582205).

27425725 is a wasteful number, since it uses less digits than its factorization.

27425725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097039 (or 1097034 counting only the distinct ones).

The product of its digits is 39200, while the sum is 34.

The square root of 27425725 is about 5236.9576091467. The cubic root of 27425725 is about 301.5685438666.

The spelling of 27425725 in words is "twenty-seven million, four hundred twenty-five thousand, seven hundred twenty-five".