2003534531 has 8 divisors (see below), whose sum is σ = 2094522144. Its totient is φ = 1912870080.

The previous prime is 2003534527. The next prime is 2003534537. The reversal of 2003534531 is 1354353002.

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

It is a cyclic number.

It is not a de Polignac number, because 2003534531 - 2² = 2003534527 is a prime.

It is a super-2 number, since 2×2003534531² = 8028301233818779922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003534531.

It is not an unprimeable number, because it can be changed into a prime (2003534537) 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 in 7 ways as a sum of consecutive naturals, for example, 68066 + ... + 92951.

It is an arithmetic number, because the mean of its divisors is an integer number (261815268).

Almost surely, 2^2003534531 is an apocalyptic number.

2003534531 is a deficient number, since it is larger than the sum of its proper divisors (90987613).

2003534531 is a wasteful number, since it uses less digits than its factorization.

2003534531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161581.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2003534531 is about 44760.8593639577. The cubic root of 2003534531 is about 1260.6628181006.

Adding to 2003534531 its reverse (1354353002), we get a palindrome (3357887533).

The spelling of 2003534531 in words is "two billion, three million, five hundred thirty-four thousand, five hundred thirty-one".