2533993 has 8 divisors (see below), whose sum is σ = 3159360. Its totient is φ = 1974480.

The previous prime is 2533967. The next prime is 2534009. The reversal of 2533993 is 3993352.

2533993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2533993 - 2¹³ = 2525801 is a prime.

It is a super-2 number, since 2×2533993² = 12842241048098, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2533913) 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 7 ways as a sum of consecutive naturals, for example, 16378 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (394920).

2^2533993 is an apocalyptic number.

It is an amenable number.

2533993 is a deficient number, since it is larger than the sum of its proper divisors (625367).

2533993 is a wasteful number, since it uses less digits than its factorization.

2533993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32927.

The product of its digits is 21870, while the sum is 34.

The square root of 2533993 is about 1591.8520659911. The cubic root of 2533993 is about 136.3332549555. Note that the first 3 decimals are identical.

The spelling of 2533993 in words is "two million, five hundred thirty-three thousand, nine hundred ninety-three".