2000531 has 4 divisors (see below), whose sum is σ = 2154432. Its totient is φ = 1846632.

The previous prime is 2000521. The next prime is 2000539. The reversal of 2000531 is 1350002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000531 is a prime.

It is a super-2 number, since 2×2000531² = 8004248563922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76931 + ... + 76956.

It is an arithmetic number, because the mean of its divisors is an integer number (538608).

2^2000531 is an apocalyptic number.

2000531 is a deficient number, since it is larger than the sum of its proper divisors (153901).

2000531 is a wasteful number, since it uses less digits than its factorization.

2000531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153900.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2000531 is about 1414.4012867641. The cubic root of 2000531 is about 126.0032543041.

Adding to 2000531 its reverse (1350002), we get a palindrome (3350533).

The spelling of 2000531 in words is "two million, five hundred thirty-one", and thus it is an aban number.