27148451 has 6 divisors (see below), whose sum is σ = 29635356. Its totient is φ = 24664700.

The previous prime is 27148447. The next prime is 27148453. The reversal of 27148451 is 15484172.

It is a happy number.

It is not a de Polignac number, because 27148451 - 2² = 27148447 is a prime.

It is a super-3 number, since 3×27148451³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27148453) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 16496 + ... + 18066.

It is an arithmetic number, because the mean of its divisors is an integer number (4939226).

Almost surely, 2^27148451 is an apocalyptic number.

27148451 is a deficient number, since it is larger than the sum of its proper divisors (2486905).

27148451 is an frugal number, since it uses more digits than its factorization.

27148451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 1582 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 27148451 is about 5210.4175456483. The cubic root of 27148451 is about 300.5488139172.

The spelling of 27148451 in words is "twenty-seven million, one hundred forty-eight thousand, four hundred fifty-one".