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57125641 is a prime number
BaseRepresentation
bin1101100111101…
…0101100001001
310222111021122111
43121322230021
5104111010031
65400222321
71262363026
oct331725411
9128437574
1057125641
112a278381
121716a9a1
13bab1871
14783054d
1550361b1
hex367ab09

57125641 has 2 divisors, whose sum is σ = 57125642. Its totient is φ = 57125640.

The previous prime is 57125623. The next prime is 57125657. The reversal of 57125641 is 14652175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34047225 + 23078416 = 5835^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 57125641 - 29 = 57125129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57125671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28562820 + 28562821.

It is an arithmetic number, because the mean of its divisors is an integer number (28562821).

Almost surely, 257125641 is an apocalyptic number.

It is an amenable number.

57125641 is a deficient number, since it is larger than the sum of its proper divisors (1).

57125641 is an equidigital number, since it uses as much as digits as its factorization.

57125641 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 57125641 is about 7558.1506335876. The cubic root of 57125641 is about 385.1326714290.

The spelling of 57125641 in words is "fifty-seven million, one hundred twenty-five thousand, six hundred forty-one".