27055025 has 24 divisors (see below), whose sum is σ = 34619064. Its totient is φ = 20966400.

The previous prime is 27055019. The next prime is 27055027. The reversal of 27055025 is 52055072.

It can be written as a sum of positive squares in 12 ways, for example, as 24671089 + 2383936 = 4967^2 + 1544^2 .

It is not a de Polignac number, because 27055025 - 2¹⁸ = 26792881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27054985 and 27055003.

It is not an unprimeable number, because it can be changed into a prime (27055027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172247 + ... + 172403.

It is an arithmetic number, because the mean of its divisors is an integer number (1442461).

Almost surely, 2^27055025 is an apocalyptic number.

27055025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27055025 is a deficient number, since it is larger than the sum of its proper divisors (7564039).

27055025 is a wasteful number, since it uses less digits than its factorization.

27055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 27055025 is about 5201.4445109027. Note that the first 3 decimals coincide. The cubic root of 27055025 is about 300.2036580097.

The spelling of 27055025 in words is "twenty-seven million, fifty-five thousand, twenty-five".