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557197 is a prime number
BaseRepresentation
bin10001000000010001101
31001022022221
42020002031
5120312242
615535341
74510324
oct2100215
91038287
10557197
113506a3
1222a551
13166804
141070bb
15b0167
hex8808d

557197 has 2 divisors, whose sum is σ = 557198. Its totient is φ = 557196.

The previous prime is 557159. The next prime is 557201. The reversal of 557197 is 791755.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298116 + 259081 = 546^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 557197 - 27 = 557069 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278598 + 278599.

It is an arithmetic number, because the mean of its divisors is an integer number (278599).

2557197 is an apocalyptic number.

It is an amenable number.

557197 is a deficient number, since it is larger than the sum of its proper divisors (1).

557197 is an equidigital number, since it uses as much as digits as its factorization.

557197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11025, while the sum is 34.

The square root of 557197 is about 746.4562947688. The cubic root of 557197 is about 82.2879525394.

The spelling of 557197 in words is "five hundred fifty-seven thousand, one hundred ninety-seven".