533923409 has 4 divisors (see below), whose sum is σ = 534754416. Its totient is φ = 533092404.

The previous prime is 533923373. The next prime is 533923421. The reversal of 533923409 is 904329335.

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.

It is a cyclic number.

It is not a de Polignac number, because 533923409 - 2²⁴ = 517146193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533923459) 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, 414539 + ... + 415824.

It is an arithmetic number, because the mean of its divisors is an integer number (133688604).

Almost surely, 2^533923409 is an apocalyptic number.

It is an amenable number.

533923409 is a deficient number, since it is larger than the sum of its proper divisors (831007).

533923409 is an equidigital number, since it uses as much as digits as its factorization.

533923409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831006.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 533923409 is about 23106.7827487948. The cubic root of 533923409 is about 811.2592357941.

The spelling of 533923409 in words is "five hundred thirty-three million, nine hundred twenty-three thousand, four hundred nine".