4068531 has 12 divisors (see below), whose sum is σ = 6014008. Its totient is φ = 2649024.

The previous prime is 4068529. The next prime is 4068541. The reversal of 4068531 is 1358604.

It is not a de Polignac number, because 4068531 - 2¹ = 4068529 is a prime.

It is a super-2 number, since 2×4068531² = 33105888995922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4068495 and 4068504.

It is not an unprimeable number, because it can be changed into a prime (4068511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4870 + ... + 5643.

Almost surely, 2^4068531 is an apocalyptic number.

4068531 is a deficient number, since it is larger than the sum of its proper divisors (1945477).

4068531 is a wasteful number, since it uses less digits than its factorization.

4068531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562 (or 10559 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4068531 is about 2017.0599891922. The cubic root of 4068531 is about 159.6415281912.

The spelling of 4068531 in words is "four million, sixty-eight thousand, five hundred thirty-one".