534642331 has 2 divisors, whose sum is σ = 534642332. Its totient is φ = 534642330.

The previous prime is 534642319. The next prime is 534642359. The reversal of 534642331 is 133246435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 534642331 - 2¹¹ = 534640283 is a prime.

It is a super-2 number, since 2×534642331² = 571684844194227122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 534642293 and 534642302.

It is not a weakly prime, because it can be changed into another prime (534642301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267321165 + 267321166.

It is an arithmetic number, because the mean of its divisors is an integer number (267321166).

Almost surely, 2^534642331 is an apocalyptic number.

534642331 is a deficient number, since it is larger than the sum of its proper divisors (1).

534642331 is an equidigital number, since it uses as much as digits as its factorization.

534642331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 534642331 is about 23122.3340301104. The cubic root of 534642331 is about 811.6231897035.

Adding to 534642331 its reverse (133246435), we get a palindrome (667888766).

The spelling of 534642331 in words is "five hundred thirty-four million, six hundred forty-two thousand, three hundred thirty-one".