17172253 has 4 divisors (see below), whose sum is σ = 19625440. Its totient is φ = 14719068.

The previous prime is 17172251. The next prime is 17172299. The reversal of 17172253 is 35227171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35227171 = 7 ⋅5032453.

It is not a de Polignac number, because 17172253 - 2¹ = 17172251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17172251) 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, 1226583 + ... + 1226596.

It is an arithmetic number, because the mean of its divisors is an integer number (4906360).

Almost surely, 2^17172253 is an apocalyptic number.

It is an amenable number.

17172253 is a deficient number, since it is larger than the sum of its proper divisors (2453187).

17172253 is an equidigital number, since it uses as much as digits as its factorization.

17172253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453186.

The product of its digits is 2940, while the sum is 28.

The square root of 17172253 is about 4143.9417225632. The cubic root of 17172253 is about 257.9936951367.

The spelling of 17172253 in words is "seventeen million, one hundred seventy-two thousand, two hundred fifty-three".