5621133 has 12 divisors (see below), whose sum is σ = 8718720. Its totient is φ = 3211992.

The previous prime is 5621117. The next prime is 5621159. The reversal of 5621133 is 3311265.

It is not a de Polignac number, because 5621133 - 2⁴ = 5621117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18973 + ... + 19266.

It is an arithmetic number, because the mean of its divisors is an integer number (726560).

Almost surely, 2^5621133 is an apocalyptic number.

It is an amenable number.

5621133 is a deficient number, since it is larger than the sum of its proper divisors (3097587).

5621133 is a wasteful number, since it uses less digits than its factorization.

5621133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38256 (or 38249 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 5621133 is about 2370.8928697856. The cubic root of 5621133 is about 177.8039017888.

Adding to 5621133 its reverse (3311265), we get a palindrome (8932398).

The spelling of 5621133 in words is "five million, six hundred twenty-one thousand, one hundred thirty-three".