2533445 has 4 divisors (see below), whose sum is σ = 3040140. Its totient is φ = 2026752.

The previous prime is 2533429. The next prime is 2533499. The reversal of 2533445 is 5443352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 1865956 = 817^2 + 1366^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533445 - 2⁴ = 2533429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253340 + ... + 253349.

It is an arithmetic number, because the mean of its divisors is an integer number (760035).

2^2533445 is an apocalyptic number.

It is an amenable number.

2533445 is a deficient number, since it is larger than the sum of its proper divisors (506695).

2533445 is an equidigital number, since it uses as much as digits as its factorization.

2533445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506694.

The product of its digits is 7200, while the sum is 26.

The square root of 2533445 is about 1591.6799301367. The cubic root of 2533445 is about 136.3234264609.

Adding to 2533445 its reverse (5443352), we get a palindrome (7976797).

The spelling of 2533445 in words is "two million, five hundred thirty-three thousand, four hundred forty-five".