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115057 is a prime number
BaseRepresentation
bin11100000101110001
312211211101
4130011301
512140212
62244401
7656305
oct340561
9184741
10115057
1179498
1256701
13404a7
142dd05
1524157
hex1c171

115057 has 2 divisors, whose sum is σ = 115058. Its totient is φ = 115056.

The previous prime is 115021. The next prime is 115061. The reversal of 115057 is 750511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73441 + 41616 = 271^2 + 204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115057 is a prime.

It is a super-2 number, since 2×1150572 = 26476226498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57528 + 57529.

It is an arithmetic number, because the mean of its divisors is an integer number (57529).

2115057 is an apocalyptic number.

It is an amenable number.

115057 is a deficient number, since it is larger than the sum of its proper divisors (1).

115057 is an equidigital number, since it uses as much as digits as its factorization.

115057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 115057 is about 339.2005306600. The cubic root of 115057 is about 48.6374744133.

Adding to 115057 its reverse (750511), we get a palindrome (865568).

The spelling of 115057 in words is "one hundred fifteen thousand, fifty-seven".