2533531 has 16 divisors (see below), whose sum is σ = 3403008. Its totient is φ = 1821600.

The previous prime is 2533507. The next prime is 2533549. The reversal of 2533531 is 1353352.

It is a happy number.

2533531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2533531 - 2⁵ = 2533499 is a prime.

It is a super-2 number, since 2×2533531² = 12837558655922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2533031) 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 15 ways as a sum of consecutive naturals, for example, 265 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (212688).

2^2533531 is an apocalyptic number.

2533531 is a deficient number, since it is larger than the sum of its proper divisors (869477).

2533531 is a wasteful number, since it uses less digits than its factorization.

2533531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562.

The product of its digits is 1350, while the sum is 22.

The square root of 2533531 is about 1591.7069453891. The cubic root of 2533531 is about 136.3249689826.

Adding to 2533531 its reverse (1353352), we get a palindrome (3886883).

The spelling of 2533531 in words is "two million, five hundred thirty-three thousand, five hundred thirty-one".