2193533 has 8 divisors (see below), whose sum is σ = 2303808. Its totient is φ = 2084544.

The previous prime is 2193523. The next prime is 2193547. The reversal of 2193533 is 3353912.

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 2193533 - 2⁶ = 2193469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6341 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (287976).

2^2193533 is an apocalyptic number.

2193533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2193533 is a deficient number, since it is larger than the sum of its proper divisors (110275).

2193533 is a wasteful number, since it uses less digits than its factorization.

2193533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 2430, while the sum is 26.

The square root of 2193533 is about 1481.0580677340. The cubic root of 2193533 is about 129.9315813548.

The spelling of 2193533 in words is "two million, one hundred ninety-three thousand, five hundred thirty-three".