27212925 has 24 divisors (see below), whose sum is σ = 45362176. Its totient is φ = 14394240.

The previous prime is 27212917. The next prime is 27212963. The reversal of 27212925 is 52921272.

It is not a de Polignac number, because 27212925 - 2³ = 27212917 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27212892 and 27212901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8097 + ... + 10953.

Almost surely, 2^27212925 is an apocalyptic number.

27212925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27212925 is a deficient number, since it is larger than the sum of its proper divisors (18149251).

27212925 is a wasteful number, since it uses less digits than its factorization.

27212925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2992 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 27212925 is about 5216.6009048038. The cubic root of 27212925 is about 300.7865471210.

The spelling of 27212925 in words is "twenty-seven million, two hundred twelve thousand, nine hundred twenty-five".