533450521 has 4 divisors (see below), whose sum is σ = 533559312. Its totient is φ = 533341732.

The previous prime is 533450509. The next prime is 533450537. The reversal of 533450521 is 125054335.

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 533450521 - 2⁹ = 533450009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 533450521.

It is not an unprimeable number, because it can be changed into a prime (533454521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46675 + ... + 56968.

It is an arithmetic number, because the mean of its divisors is an integer number (133389828).

Almost surely, 2^533450521 is an apocalyptic number.

It is an amenable number.

533450521 is a deficient number, since it is larger than the sum of its proper divisors (108791).

533450521 is a wasteful number, since it uses less digits than its factorization.

533450521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108790.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 533450521 is about 23096.5478156369. The cubic root of 533450521 is about 811.0196583150.

It can be divided in two parts, 5334 and 50521, that added together give a palindrome (55855).

The spelling of 533450521 in words is "five hundred thirty-three million, four hundred fifty thousand, five hundred twenty-one".