2533322645 has 16 divisors (see below), whose sum is σ = 3475180800. Its totient is φ = 1736680704.

The previous prime is 2533322639. The next prime is 2533322647. The reversal of 2533322645 is 5462233352.

It is a cyclic number.

It is not a de Polignac number, because 2533322645 - 2⁴ = 2533322629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533322647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178781 + ... + 192429.

It is an arithmetic number, because the mean of its divisors is an integer number (217198800).

Almost surely, 2^2533322645 is an apocalyptic number.

It is an amenable number.

2533322645 is a deficient number, since it is larger than the sum of its proper divisors (941858155).

2533322645 is a wasteful number, since it uses less digits than its factorization.

2533322645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18964.

The product of its digits is 129600, while the sum is 35.

The square root of 2533322645 is about 50332.1233905346. The cubic root of 2533322645 is about 1363.2123180479.

Adding to 2533322645 its reverse (5462233352), we get a palindrome (7995555997).

The spelling of 2533322645 in words is "two billion, five hundred thirty-three million, three hundred twenty-two thousand, six hundred forty-five".