57131205 has 16 divisors (see below), whose sum is σ = 91632384. Its totient is φ = 30395840.

The previous prime is 57131177. The next prime is 57131213. The reversal of 57131205 is 50213175.

57131205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57131205 - 2¹⁰ = 57130181 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2047 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (5727024).

Almost surely, 2^57131205 is an apocalyptic number.

It is an amenable number.

57131205 is a deficient number, since it is larger than the sum of its proper divisors (34501179).

57131205 is a wasteful number, since it uses less digits than its factorization.

57131205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 57131205 is about 7558.5187040848. The cubic root of 57131205 is about 385.1451749130.

The spelling of 57131205 in words is "fifty-seven million, one hundred thirty-one thousand, two hundred five".