534985387 has 2 divisors, whose sum is σ = 534985388. Its totient is φ = 534985386.

The previous prime is 534985379. The next prime is 534985421. The reversal of 534985387 is 783589435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 534985387 - 2³ = 534985379 is a prime.

It is not a weakly prime, because it can be changed into another prime (534989387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267492693 + 267492694.

It is an arithmetic number, because the mean of its divisors is an integer number (267492694).

Almost surely, 2^534985387 is an apocalyptic number.

534985387 is a deficient number, since it is larger than the sum of its proper divisors (1).

534985387 is an equidigital number, since it uses as much as digits as its factorization.

534985387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The square root of 534985387 is about 23129.7511227423. The cubic root of 534985387 is about 811.7967466515.

It can be divided in two parts, 53498 and 5387, that added together give a palindrome (58885).

The spelling of 534985387 in words is "five hundred thirty-four million, nine hundred eighty-five thousand, three hundred eighty-seven".