2642533 has 4 divisors (see below), whose sum is σ = 2727808. Its totient is φ = 2557260.

The previous prime is 2642513. The next prime is 2642537. The reversal of 2642533 is 3352462.

It is a happy number.

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 2642533 - 2¹³ = 2634341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2642498 and 2642507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642537) 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, 42591 + ... + 42652.

It is an arithmetic number, because the mean of its divisors is an integer number (681952).

2^2642533 is an apocalyptic number.

It is an amenable number.

2642533 is a deficient number, since it is larger than the sum of its proper divisors (85275).

2642533 is an equidigital number, since it uses as much as digits as its factorization.

2642533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85274.

The product of its digits is 4320, while the sum is 25.

The square root of 2642533 is about 1625.5869709124. The cubic root of 2642533 is about 138.2526527487.

Adding to 2642533 its reverse (3352462), we get a palindrome (5994995).

The spelling of 2642533 in words is "two million, six hundred forty-two thousand, five hundred thirty-three".