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5257517 is a prime number
BaseRepresentation
bin10100000011100100101101
3100220002221212
4110003210231
52321220032
6304404205
762455016
oct24034455
910802855
105257517
112a71061
121916665
131121075
149ac00d
156dcbb2
hex50392d

5257517 has 2 divisors, whose sum is σ = 5257518. Its totient is φ = 5257516.

The previous prime is 5257493. The next prime is 5257519. The reversal of 5257517 is 7157525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5248681 + 8836 = 2291^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257517 - 26 = 5257453 is a prime.

Together with 5257519, 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 (5257519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628758 + 2628759.

It is an arithmetic number, because the mean of its divisors is an integer number (2628759).

Almost surely, 25257517 is an apocalyptic number.

It is an amenable number.

5257517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257517 is an equidigital number, since it uses as much as digits as its factorization.

5257517 is an evil number, because the sum of its binary digits is even.

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

The square root of 5257517 is about 2292.9276046138. The cubic root of 5257517 is about 173.8842428204.

The spelling of 5257517 in words is "five million, two hundred fifty-seven thousand, five hundred seventeen".