17142593 has 4 divisors (see below), whose sum is σ = 18461268. Its totient is φ = 15823920.

The previous prime is 17142589. The next prime is 17142623. The reversal of 17142593 is 39524171.

17142593 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3356224 + 13786369 = 1832^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 17142593 - 2² = 17142589 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17142493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659318 + ... + 659343.

It is an arithmetic number, because the mean of its divisors is an integer number (4615317).

Almost surely, 2^17142593 is an apocalyptic number.

17142593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

17142593 is a deficient number, since it is larger than the sum of its proper divisors (1318675).

17142593 is a wasteful number, since it uses less digits than its factorization.

17142593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318674.

The product of its digits is 7560, while the sum is 32.

The square root of 17142593 is about 4140.3614576508. The cubic root of 17142593 is about 257.8450735433.

The spelling of 17142593 in words is "seventeen million, one hundred forty-two thousand, five hundred ninety-three".