27132025 has 12 divisors (see below), whose sum is σ = 34280172. Its totient is φ = 21295040.

The previous prime is 27131999. The next prime is 27132047. The reversal of 27132025 is 52023172.

27132025 = 712² + 713² + ... + 761².

It can be written as a sum of positive squares in 6 ways, for example, as 423801 + 26708224 = 651^2 + 5168^2 .

It is a de Polignac number, because none of the positive numbers 2^k-27132025 is a prime.

It is a super-2 number, since 2×27132025² = 1472293561201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27131987 and 27132005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8914 + ... + 11563.

It is an arithmetic number, because the mean of its divisors is an integer number (2856681).

Almost surely, 2^27132025 is an apocalyptic number.

27132025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27132025 is a deficient number, since it is larger than the sum of its proper divisors (7148147).

27132025 is a wasteful number, since it uses less digits than its factorization.

27132025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20540 (or 20535 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 27132025 is about 5208.8410419209. The cubic root of 27132025 is about 300.4881866299.

Adding to 27132025 its reverse (52023172), we get a palindrome (79155197).

The spelling of 27132025 in words is "twenty-seven million, one hundred thirty-two thousand, twenty-five".