27890325 has 36 divisors (see below), whose sum is σ = 51816128. Its totient is φ = 14871600.

The previous prime is 27890311. The next prime is 27890339. The reversal of 27890325 is 52309872.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27890311) and next prime (27890339).

It is not a de Polignac number, because 27890325 - 2⁸ = 27890069 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27890325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3780 + ... + 8370.

Almost surely, 2^27890325 is an apocalyptic number.

27890325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27890325 is a deficient number, since it is larger than the sum of its proper divisors (23925803).

27890325 is an equidigital number, since it uses as much as digits as its factorization.

27890325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616 (or 4599 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 27890325 is about 5281.1291406289. The cubic root of 27890325 is about 303.2619047153.

The spelling of 27890325 in words is "twenty-seven million, eight hundred ninety thousand, three hundred twenty-five".