57828131 has 2 divisors, whose sum is σ = 57828132. Its totient is φ = 57828130.

The previous prime is 57828119. The next prime is 57828193. The reversal of 57828131 is 13182875.

57828131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57828131 is a prime.

It is a super-2 number, since 2×57828131² = 6688185469906322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57828091 and 57828100.

It is not a weakly prime, because it can be changed into another prime (57828431) 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 as a sum of consecutive naturals, namely, 28914065 + 28914066.

It is an arithmetic number, because the mean of its divisors is an integer number (28914066).

Almost surely, 2^57828131 is an apocalyptic number.

57828131 is a deficient number, since it is larger than the sum of its proper divisors (1).

57828131 is an equidigital number, since it uses as much as digits as its factorization.

57828131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 57828131 is about 7604.4809816318. The cubic root of 57828131 is about 386.7049388230.

The spelling of 57828131 in words is "fifty-seven million, eight hundred twenty-eight thousand, one hundred thirty-one".