253668273 has 8 divisors (see below), whose sum is σ = 338299200. Its totient is φ = 169074768.

The previous prime is 253668251. The next prime is 253668281. The reversal of 253668273 is 372866352.

It is a happy number.

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

It is not a de Polignac number, because 253668273 - 2¹⁶ = 253602737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253668773) 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, 17383 + ... + 28451.

It is an arithmetic number, because the mean of its divisors is an integer number (42287400).

Almost surely, 2^253668273 is an apocalyptic number.

It is an amenable number.

253668273 is a deficient number, since it is larger than the sum of its proper divisors (84630927).

253668273 is a wasteful number, since it uses less digits than its factorization.

253668273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its digits is 362880, while the sum is 42.

The square root of 253668273 is about 15926.9668487129. The cubic root of 253668273 is about 633.0267328218.

The spelling of 253668273 in words is "two hundred fifty-three million, six hundred sixty-eight thousand, two hundred seventy-three".