4425242533 has 4 divisors (see below), whose sum is σ = 4437106828. Its totient is φ = 4413378240.

The previous prime is 4425242509. The next prime is 4425242539. The reversal of 4425242533 is 3352425244.

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 2422411524 + 2002831009 = 49218^2 + 44753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4425242533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425242539) 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, 5931588 + ... + 5932333.

It is an arithmetic number, because the mean of its divisors is an integer number (1109276707).

Almost surely, 2^4425242533 is an apocalyptic number.

It is an amenable number.

4425242533 is a deficient number, since it is larger than the sum of its proper divisors (11864295).

4425242533 is a wasteful number, since it uses less digits than its factorization.

4425242533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864294.

The product of its digits is 115200, while the sum is 34.

The square root of 4425242533 is about 66522.4964429327. The cubic root of 4425242533 is about 1641.7701654154.

Adding to 4425242533 its reverse (3352425244), we get a palindrome (7777667777).

The spelling of 4425242533 in words is "four billion, four hundred twenty-five million, two hundred forty-two thousand, five hundred thirty-three".