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57625457 is a prime number
BaseRepresentation
bin1101101111010…
…0101101110001
311000102200021012
43123310231301
5104223003312
65415040305
71266544151
oct333645561
9130380235
1057625457
112a58994a
1217370095
13bc28206
147920761
1550d4322
hex36f4b71

57625457 has 2 divisors, whose sum is σ = 57625458. Its totient is φ = 57625456.

The previous prime is 57625441. The next prime is 57625471. The reversal of 57625457 is 75452675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45819361 + 11806096 = 6769^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 57625457 - 24 = 57625441 is a prime.

It is not a weakly prime, because it can be changed into another prime (57625957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28812728 + 28812729.

It is an arithmetic number, because the mean of its divisors is an integer number (28812729).

Almost surely, 257625457 is an apocalyptic number.

It is an amenable number.

57625457 is a deficient number, since it is larger than the sum of its proper divisors (1).

57625457 is an equidigital number, since it uses as much as digits as its factorization.

57625457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 41.

The square root of 57625457 is about 7591.1433262717. The cubic root of 57625457 is about 386.2526400535.

The spelling of 57625457 in words is "fifty-seven million, six hundred twenty-five thousand, four hundred fifty-seven".