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57025691 is a prime number
BaseRepresentation
bin1101100110001…
…0010010011011
310222022012112122
43121202102123
5104044310231
65354131455
71261465442
oct331422233
9128265478
1057025691
112a20a278
1217120b8b
13ba78218
147805d59
15501677b
hex366249b

57025691 has 2 divisors, whose sum is σ = 57025692. Its totient is φ = 57025690.

The previous prime is 57025681. The next prime is 57025699. The reversal of 57025691 is 19652075.

57025691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57025691 - 26 = 57025627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57025699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28512845 + 28512846.

It is an arithmetic number, because the mean of its divisors is an integer number (28512846).

Almost surely, 257025691 is an apocalyptic number.

57025691 is a deficient number, since it is larger than the sum of its proper divisors (1).

57025691 is an equidigital number, since it uses as much as digits as its factorization.

57025691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 57025691 is about 7551.5356716366. The cubic root of 57025691 is about 384.9079242340.

The spelling of 57025691 in words is "fifty-seven million, twenty-five thousand, six hundred ninety-one".