253852809 has 8 divisors (see below), whose sum is σ = 386823360. Its totient is φ = 145058736.

The previous prime is 253852763. The next prime is 253852843. The reversal of 253852809 is 908258352.

253852809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 253852809 - 2¹⁷ = 253721737 is a prime.

It is a super-3 number, since 3×253852809³ (a number of 26 digits) contains 333 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 not an unprimeable number, because it can be changed into a prime (253852009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6044094 + ... + 6044135.

It is an arithmetic number, because the mean of its divisors is an integer number (48352920).

Almost surely, 2^253852809 is an apocalyptic number.

It is an amenable number.

253852809 is a deficient number, since it is larger than the sum of its proper divisors (132970551).

253852809 is a wasteful number, since it uses less digits than its factorization.

253852809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088239.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 253852809 is about 15932.7589889510. The cubic root of 253852809 is about 633.1801982177.

The spelling of 253852809 in words is "two hundred fifty-three million, eight hundred fifty-two thousand, eight hundred nine".