57256141 has 2 divisors, whose sum is σ = 57256142. Its totient is φ = 57256140.

The previous prime is 57256099. The next prime is 57256169. The reversal of 57256141 is 14165275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29746116 + 27510025 = 5454^2 + 5245^2 .

It is a cyclic number.

It is not a de Polignac number, because 57256141 - 2⁷ = 57256013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57256181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28628070 + 28628071.

It is an arithmetic number, because the mean of its divisors is an integer number (28628071).

Almost surely, 2^57256141 is an apocalyptic number.

It is an amenable number.

57256141 is a deficient number, since it is larger than the sum of its proper divisors (1).

57256141 is an equidigital number, since it uses as much as digits as its factorization.

57256141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 57256141 is about 7566.7787730315. The cubic root of 57256141 is about 385.4257189959.

The spelling of 57256141 in words is "fifty-seven million, two hundred fifty-six thousand, one hundred forty-one".