27481252 has 12 divisors (see below), whose sum is σ = 49643776. Its totient is φ = 13297320.

The previous prime is 27481249. The next prime is 27481291. The reversal of 27481252 is 25218472.

It is a happy number.

It is a super-2 number, since 2×27481252² = 1510438422975008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 3 ways as a sum of consecutive naturals, for example, 110688 + ... + 110935.

Almost surely, 2^27481252 is an apocalyptic number.

It is an amenable number.

27481252 is a deficient number, since it is larger than the sum of its proper divisors (22162524).

27481252 is a wasteful number, since it uses less digits than its factorization.

27481252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221658 (or 221656 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 27481252 is about 5242.2563844207. The cubic root of 27481252 is about 301.7719284417.

The spelling of 27481252 in words is "twenty-seven million, four hundred eighty-one thousand, two hundred fifty-two".