27314557 has 4 divisors (see below), whose sum is σ = 27829980. Its totient is φ = 26799136.

The previous prime is 27314543. The next prime is 27314587. The reversal of 27314557 is 75541372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19412836 + 7901721 = 4406^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 27314557 - 2⁷ = 27314429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27314527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257632 + ... + 257737.

It is an arithmetic number, because the mean of its divisors is an integer number (6957495).

Almost surely, 2^27314557 is an apocalyptic number.

It is an amenable number.

27314557 is a deficient number, since it is larger than the sum of its proper divisors (515423).

27314557 is an equidigital number, since it uses as much as digits as its factorization.

27314557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515422.

The product of its digits is 29400, while the sum is 34.

The square root of 27314557 is about 5226.3330356953. Note that the first 3 decimals coincide. The cubic root of 27314557 is about 301.1605306986.

The spelling of 27314557 in words is "twenty-seven million, three hundred fourteen thousand, five hundred fifty-seven".