533242553 has 4 divisors (see below), whose sum is σ = 564609780. Its totient is φ = 501875328.

The previous prime is 533242469. The next prime is 533242583. The reversal of 533242553 is 355242335.

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 446603689 + 86638864 = 21133^2 + 9308^2 .

It is a cyclic number.

It is not a de Polignac number, because 533242553 - 2¹⁰ = 533241529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (533242583) 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, 15683588 + ... + 15683621.

It is an arithmetic number, because the mean of its divisors is an integer number (141152445).

Almost surely, 2^533242553 is an apocalyptic number.

It is an amenable number.

533242553 is a deficient number, since it is larger than the sum of its proper divisors (31367227).

533242553 is a wasteful number, since it uses less digits than its factorization.

533242553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31367226.

The product of its digits is 54000, while the sum is 32.

The square root of 533242553 is about 23092.0452320707. The cubic root of 533242553 is about 810.9142514385.

Adding to 533242553 its reverse (355242335), we get a palindrome (888484888).

The spelling of 533242553 in words is "five hundred thirty-three million, two hundred forty-two thousand, five hundred fifty-three".