27231057 has 24 divisors (see below), whose sum is σ = 46909824. Its totient is φ = 14883264.

The previous prime is 27231031. The next prime is 27231067. The reversal of 27231057 is 75013272.

27231057 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 27231057 - 2⁶ = 27230993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27231057.

It is not an unprimeable number, because it can be changed into a prime (27231007) 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 23 ways as a sum of consecutive naturals, for example, 7948 + ... + 10845.

It is an arithmetic number, because the mean of its divisors is an integer number (1954576).

Almost surely, 2^27231057 is an apocalyptic number.

It is an amenable number.

27231057 is a deficient number, since it is larger than the sum of its proper divisors (19678767).

27231057 is a wasteful number, since it uses less digits than its factorization.

27231057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18829 (or 18826 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 27231057 is about 5218.3385286890. The cubic root of 27231057 is about 300.8533370846.

It can be divided in two parts, 272 and 31057, that added together give a square (31329 = 177²).

The spelling of 27231057 in words is "twenty-seven million, two hundred thirty-one thousand, fifty-seven".