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5257157 is a prime number
BaseRepresentation
bin10100000011011111000101
3100220002110112
4110003133011
52321212112
6304402405
762453663
oct24033705
910802415
105257157
112a70864
121916405
131120b59
149abc33
156dca22
hex5037c5

5257157 has 2 divisors, whose sum is σ = 5257158. Its totient is φ = 5257156.

The previous prime is 5257121. The next prime is 5257159. The reversal of 5257157 is 7517525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 244036 = 2239^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257157 - 214 = 5240773 is a prime.

Together with 5257159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5257159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628578 + 2628579.

It is an arithmetic number, because the mean of its divisors is an integer number (2628579).

Almost surely, 25257157 is an apocalyptic number.

It is an amenable number.

5257157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257157 is an equidigital number, since it uses as much as digits as its factorization.

5257157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12250, while the sum is 32.

The square root of 5257157 is about 2292.8491010095. The cubic root of 5257157 is about 173.8802739155.

The spelling of 5257157 in words is "five million, two hundred fifty-seven thousand, one hundred fifty-seven".