27113825 has 6 divisors (see below), whose sum is σ = 33621174. Its totient is φ = 21691040.

The previous prime is 27113813. The next prime is 27113831. The reversal of 27113825 is 52831172.

It can be written as a sum of positive squares in 3 ways, for example, as 2917264 + 24196561 = 1708^2 + 4919^2 .

It is not a de Polignac number, because 27113825 - 2¹⁸ = 26851681 is a prime.

It is a super-2 number, since 2×27113825² = 1470319012261250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 542252 + ... + 542301.

It is an arithmetic number, because the mean of its divisors is an integer number (5603529).

Almost surely, 2^27113825 is an apocalyptic number.

27113825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27113825 is a deficient number, since it is larger than the sum of its proper divisors (6507349).

27113825 is a wasteful number, since it uses less digits than its factorization.

27113825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084563 (or 1084558 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 27113825 is about 5207.0937191489. The cubic root of 27113825 is about 300.4209830420.

Adding to 27113825 its reverse (52831172), we get a palindrome (79944997).

The spelling of 27113825 in words is "twenty-seven million, one hundred thirteen thousand, eight hundred twenty-five".