534518389 has 2 divisors, whose sum is σ = 534518390. Its totient is φ = 534518388.

The previous prime is 534518381. The next prime is 534518441. The reversal of 534518389 is 983815435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528218289 + 6300100 = 22983^2 + 2510^2 .

It is a cyclic number.

It is not a de Polignac number, because 534518389 - 2³ = 534518381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534518381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267259194 + 267259195.

It is an arithmetic number, because the mean of its divisors is an integer number (267259195).

Almost surely, 2^534518389 is an apocalyptic number.

It is an amenable number.

534518389 is a deficient number, since it is larger than the sum of its proper divisors (1).

534518389 is an equidigital number, since it uses as much as digits as its factorization.

534518389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 46.

The square root of 534518389 is about 23119.6537387566. The cubic root of 534518389 is about 811.5604674124.

The spelling of 534518389 in words is "five hundred thirty-four million, five hundred eighteen thousand, three hundred eighty-nine".