27420325 has 12 divisors (see below), whose sum is σ = 35791360. Its totient is φ = 20781360.

The previous prime is 27420313. The next prime is 27420329. The reversal of 27420325 is 52302472.

It is not a de Polignac number, because 27420325 - 2⁹ = 27419813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 27420325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27420329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28389 + ... + 29338.

Almost surely, 2^27420325 is an apocalyptic number.

27420325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27420325 is a deficient number, since it is larger than the sum of its proper divisors (8371035).

27420325 is a wasteful number, since it uses less digits than its factorization.

27420325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57756 (or 57751 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 27420325 is about 5236.4420172480. The cubic root of 27420325 is about 301.5487500778.

Adding to 27420325 its reverse (52302472), we get a palindrome (79722797).

The spelling of 27420325 in words is "twenty-seven million, four hundred twenty thousand, three hundred twenty-five".