2533893 has 4 divisors (see below), whose sum is σ = 3378528. Its totient is φ = 1689260.

The previous prime is 2533837. The next prime is 2533913. The reversal of 2533893 is 3983352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2533893 - 2⁶ = 2533829 is a prime.

It is a super-2 number, since 2×2533893² = 12841227470898, which contains 22 as substring.

It is a D-number.

2533893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422313 + ... + 422318.

It is an arithmetic number, because the mean of its divisors is an integer number (844632).

2^2533893 is an apocalyptic number.

It is an amenable number.

2533893 is a deficient number, since it is larger than the sum of its proper divisors (844635).

2533893 is an equidigital number, since it uses as much as digits as its factorization.

2533893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844634.

The product of its digits is 19440, while the sum is 33.

The square root of 2533893 is about 1591.8206557273. The cubic root of 2533893 is about 136.3314615403.

The spelling of 2533893 in words is "two million, five hundred thirty-three thousand, eight hundred ninety-three".