17857053 has 6 divisors (see below), whose sum is σ = 25793534. Its totient is φ = 11904696.

The previous prime is 17857043. The next prime is 17857111. The reversal of 17857053 is 35075871.

It can be written as a sum of positive squares in only one way, i.e., 17665209 + 191844 = 4203^2 + 438^2 .

It is a de Polignac number, because none of the positive numbers 2^k-17857053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17856999 and 17857017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17857013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992050 + ... + 992067.

Almost surely, 2^17857053 is an apocalyptic number.

It is an amenable number.

17857053 is a deficient number, since it is larger than the sum of its proper divisors (7936481).

17857053 is a wasteful number, since it uses less digits than its factorization.

17857053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984123 (or 1984120 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 17857053 is about 4225.7606415887. The cubic root of 17857053 is about 261.3785408669.

The spelling of 17857053 in words is "seventeen million, eight hundred fifty-seven thousand, fifty-three".