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57015001 is a prime number
BaseRepresentation
bin1101100101111…
…1101011011001
310222021122212201
43121133223121
5104043440001
65354010201
71261422331
oct331375331
9128248781
1057015001
112a20223a
1217116961
13ba733b4
1478020c1
155013501
hex365fad9

57015001 has 2 divisors, whose sum is σ = 57015002. Its totient is φ = 57015000.

The previous prime is 57014977. The next prime is 57015017. The reversal of 57015001 is 10051075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56625625 + 389376 = 7525^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 57015001 - 27 = 57014873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57015001.

It is not a weakly prime, because it can be changed into another prime (57015071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28507500 + 28507501.

It is an arithmetic number, because the mean of its divisors is an integer number (28507501).

Almost surely, 257015001 is an apocalyptic number.

It is an amenable number.

57015001 is a deficient number, since it is larger than the sum of its proper divisors (1).

57015001 is an equidigital number, since it uses as much as digits as its factorization.

57015001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 57015001 is about 7550.8278354098. The cubic root of 57015001 is about 384.8838711989.

Adding to 57015001 its reverse (10051075), we get a palindrome (67066076).

The spelling of 57015001 in words is "fifty-seven million, fifteen thousand, one".