17256042 has 12 divisors (see below), whose sum is σ = 37388130. Its totient is φ = 5752008.

The previous prime is 17256017. The next prime is 17256059. The reversal of 17256042 is 24065271.

It can be written as a sum of positive squares in only one way, i.e., 12680721 + 4575321 = 3561^2 + 2139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17255997 and 17256015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479317 + ... + 479352.

Almost surely, 2^17256042 is an apocalyptic number.

17256042 is an abundant number, since it is smaller than the sum of its proper divisors (20132088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17256042 is a wasteful number, since it uses less digits than its factorization.

17256042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958677 (or 958674 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 17256042 is about 4154.0392391021. The cubic root of 17256042 is about 258.4126261854.

The spelling of 17256042 in words is "seventeen million, two hundred fifty-six thousand, forty-two".