253345173 has 8 divisors (see below), whose sum is σ = 337867200. Its totient is φ = 168859968.

The previous prime is 253345159. The next prime is 253345193. The reversal of 253345173 is 371543352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253345173 - 2¹³ = 253336981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253345193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21208 + ... + 30926.

It is an arithmetic number, because the mean of its divisors is an integer number (42233400).

Almost surely, 2^253345173 is an apocalyptic number.

It is an amenable number.

253345173 is a deficient number, since it is larger than the sum of its proper divisors (84522027).

253345173 is an equidigital number, since it uses as much as digits as its factorization.

253345173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18411.

The product of its digits is 37800, while the sum is 33.

The square root of 253345173 is about 15916.8204425381. The cubic root of 253345173 is about 632.7578543186.

The spelling of 253345173 in words is "two hundred fifty-three million, three hundred forty-five thousand, one hundred seventy-three".