2493533 has 4 divisors (see below), whose sum is σ = 2849760. Its totient is φ = 2137308.

The previous prime is 2493529. The next prime is 2493551. The reversal of 2493533 is 3353942.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3353942 = 2 ⋅1676971.

It is a cyclic number.

It is not a de Polignac number, because 2493533 - 2² = 2493529 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 4² + 9³ + 3 + 5⁹ + 3³ + 3¹² .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2493496 and 2493505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493523) 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, 178103 + ... + 178116.

It is an arithmetic number, because the mean of its divisors is an integer number (712440).

2^2493533 is an apocalyptic number.

It is an amenable number.

2493533 is a deficient number, since it is larger than the sum of its proper divisors (356227).

2493533 is an equidigital number, since it uses as much as digits as its factorization.

2493533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356226.

The product of its digits is 9720, while the sum is 29.

The square root of 2493533 is about 1579.0924608774. The cubic root of 2493533 is about 135.6037521840.

The spelling of 2493533 in words is "two million, four hundred ninety-three thousand, five hundred thirty-three".