534273209 has 4 divisors (see below), whose sum is σ = 542247504. Its totient is φ = 526298916.

The previous prime is 534273167. The next prime is 534273211. The reversal of 534273209 is 902372435.

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 a de Polignac number, because none of the positive numbers 2^k-534273209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534273239) 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, 3987047 + ... + 3987180.

It is an arithmetic number, because the mean of its divisors is an integer number (135561876).

Almost surely, 2^534273209 is an apocalyptic number.

It is an amenable number.

534273209 is a deficient number, since it is larger than the sum of its proper divisors (7974295).

534273209 is an equidigital number, since it uses as much as digits as its factorization.

534273209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974294.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 534273209 is about 23114.3507155187. The cubic root of 534273209 is about 811.4363626541.

The spelling of 534273209 in words is "five hundred thirty-four million, two hundred seventy-three thousand, two hundred nine".