27313851 has 4 divisors (see below), whose sum is σ = 36418472. Its totient is φ = 18209232.

The previous prime is 27313843. The next prime is 27313861. The reversal of 27313851 is 15831372.

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

It is not a de Polignac number, because 27313851 - 2³ = 27313843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27313841) 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, 4552306 + ... + 4552311.

It is an arithmetic number, because the mean of its divisors is an integer number (9104618).

Almost surely, 2^27313851 is an apocalyptic number.

27313851 is a deficient number, since it is larger than the sum of its proper divisors (9104621).

27313851 is an equidigital number, since it uses as much as digits as its factorization.

27313851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104620.

The product of its digits is 5040, while the sum is 30.

The square root of 27313851 is about 5226.2654926821. The cubic root of 27313851 is about 301.1579359751.

The spelling of 27313851 in words is "twenty-seven million, three hundred thirteen thousand, eight hundred fifty-one".