534891111 has 8 divisors (see below), whose sum is σ = 755140464. Its totient is φ = 335617920.

The previous prime is 534891089. The next prime is 534891113. The reversal of 534891111 is 111198435.

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

It is not a de Polignac number, because 534891111 - 2⁵ = 534891079 is a prime.

It is a super-2 number, since 2×534891111² = 572217001253628642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534891113) 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, 5243980 + ... + 5244081.

It is an arithmetic number, because the mean of its divisors is an integer number (94392558).

Almost surely, 2^534891111 is an apocalyptic number.

534891111 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

534891111 is a deficient number, since it is larger than the sum of its proper divisors (220249353).

534891111 is a wasteful number, since it uses less digits than its factorization.

534891111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488081.

The product of its digits is 4320, while the sum is 33.

The square root of 534891111 is about 23127.7130516616. The cubic root of 534891111 is about 811.7490584666.

The spelling of 534891111 in words is "five hundred thirty-four million, eight hundred ninety-one thousand, one hundred eleven".