17056042 has 4 divisors (see below), whose sum is σ = 25584066. Its totient is φ = 8528020.

The previous prime is 17056037. The next prime is 17056043. The reversal of 17056042 is 24065071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24065071 = 271 ⋅88801.

It can be written as a sum of positive squares in only one way, i.e., 12033961 + 5022081 = 3469^2 + 2241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17055998 and 17056016.

It is not an unprimeable number, because it can be changed into a prime (17056043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264009 + ... + 4264012.

Almost surely, 2^17056042 is an apocalyptic number.

17056042 is a deficient number, since it is larger than the sum of its proper divisors (8528024).

17056042 is an equidigital number, since it uses as much as digits as its factorization.

17056042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528023.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 17056042 is about 4129.8961246017. The cubic root of 17056042 is about 257.4103977058.

The spelling of 17056042 in words is "seventeen million, fifty-six thousand, forty-two".