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57517013 is a prime number
BaseRepresentation
bin1101101101101…
…0001111010101
311000020011111202
43123122033111
5104211021023
65412442245
71265613041
oct333321725
9130204452
1057517013
112a515424
1217319385
13bbbaa48
1478d3021
1550b2128
hex36da3d5

57517013 has 2 divisors, whose sum is σ = 57517014. Its totient is φ = 57517012.

The previous prime is 57517003. The next prime is 57517039. The reversal of 57517013 is 31071575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41049649 + 16467364 = 6407^2 + 4058^2 .

It is a cyclic number.

It is not a de Polignac number, because 57517013 - 216 = 57451477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57517003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758506 + 28758507.

It is an arithmetic number, because the mean of its divisors is an integer number (28758507).

Almost surely, 257517013 is an apocalyptic number.

It is an amenable number.

57517013 is a deficient number, since it is larger than the sum of its proper divisors (1).

57517013 is an equidigital number, since it uses as much as digits as its factorization.

57517013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 57517013 is about 7583.9971650839. The cubic root of 57517013 is about 386.0101946353.

Adding to 57517013 its reverse (31071575), we get a palindrome (88588588).

The spelling of 57517013 in words is "fifty-seven million, five hundred seventeen thousand, thirteen".