57134281 has 4 divisors (see below), whose sum is σ = 58349952. Its totient is φ = 55918612.

The previous prime is 57134251. The next prime is 57134291. The reversal of 57134281 is 18243175.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57134281 - 2⁵ = 57134249 is a prime.

It is a super-2 number, since 2×57134281² = 6528652130773922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57134201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607765 + ... + 607858.

It is an arithmetic number, because the mean of its divisors is an integer number (14587488).

Almost surely, 2^57134281 is an apocalyptic number.

It is an amenable number.

57134281 is a deficient number, since it is larger than the sum of its proper divisors (1215671).

57134281 is a wasteful number, since it uses less digits than its factorization.

57134281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215670.

The product of its digits is 6720, while the sum is 31.

The square root of 57134281 is about 7558.7221803688. The cubic root of 57134281 is about 385.1520869867.

The spelling of 57134281 in words is "fifty-seven million, one hundred thirty-four thousand, two hundred eighty-one".