17240057 has 4 divisors (see below), whose sum is σ = 18254196. Its totient is φ = 16225920.

The previous prime is 17240051. The next prime is 17240063. The reversal of 17240057 is 75004271.

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

It is an interprime number because it is at equal distance from previous prime (17240051) and next prime (17240063).

It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 1590121 = 3956^2 + 1261^2 .

It is a cyclic number.

It is not a de Polignac number, because 17240057 - 2⁸ = 17239801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17240051) 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, 507044 + ... + 507077.

It is an arithmetic number, because the mean of its divisors is an integer number (4563549).

Almost surely, 2^17240057 is an apocalyptic number.

17240057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

17240057 is a deficient number, since it is larger than the sum of its proper divisors (1014139).

17240057 is a wasteful number, since it uses less digits than its factorization.

17240057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014138.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 17240057 is about 4152.1147623831. The cubic root of 17240057 is about 258.3328086936.

The spelling of 17240057 in words is "seventeen million, two hundred forty thousand, fifty-seven".