4000000531 has 2 divisors, whose sum is σ = 4000000532. Its totient is φ = 4000000530.

The previous prime is 4000000483. The next prime is 4000000553. The reversal of 4000000531 is 1350000004.

4000000531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4000000531 - 2⁹ = 4000000019 is a prime.

It is a super-2 number, since 2×4000000531² = 32000008496000563922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4000000561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000000265 + 2000000266.

It is an arithmetic number, because the mean of its divisors is an integer number (2000000266).

Almost surely, 2^4000000531 is an apocalyptic number.

4000000531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000000531 is an equidigital number, since it uses as much as digits as its factorization.

4000000531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 4000000531 is about 63245.5574012910. The cubic root of 4000000531 is about 1587.4011222107.

Adding to 4000000531 its reverse (1350000004), we get a palindrome (5350000535).

The spelling of 4000000531 in words is "four billion, five hundred thirty-one", and thus it is an aban number.