253794165 has 8 divisors (see below), whose sum is σ = 406070688. Its totient is φ = 135356880.

The previous prime is 253794131. The next prime is 253794187. The reversal of 253794165 is 561497352.

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

It is not a de Polignac number, because 253794165 - 2⁸ = 253793909 is a prime.

It is a super-2 number, since 2×253794165² = 128822956376094450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8459791 + ... + 8459820.

It is an arithmetic number, because the mean of its divisors is an integer number (50758836).

Almost surely, 2^253794165 is an apocalyptic number.

It is an amenable number.

253794165 is a deficient number, since it is larger than the sum of its proper divisors (152276523).

253794165 is a wasteful number, since it uses less digits than its factorization.

253794165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16919619.

The product of its digits is 226800, while the sum is 42.

The square root of 253794165 is about 15930.9185234248. The cubic root of 253794165 is about 633.1314362607.

The spelling of 253794165 in words is "two hundred fifty-three million, seven hundred ninety-four thousand, one hundred sixty-five".