535893521 has 2 divisors, whose sum is σ = 535893522. Its totient is φ = 535893520.

The previous prime is 535893517. The next prime is 535893529. The reversal of 535893521 is 125398535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527850625 + 8042896 = 22975^2 + 2836^2 .

It is a cyclic number.

It is not a de Polignac number, because 535893521 - 2² = 535893517 is a prime.

It is not a weakly prime, because it can be changed into another prime (535893529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267946760 + 267946761.

It is an arithmetic number, because the mean of its divisors is an integer number (267946761).

Almost surely, 2^535893521 is an apocalyptic number.

It is an amenable number.

535893521 is a deficient number, since it is larger than the sum of its proper divisors (1).

535893521 is an equidigital number, since it uses as much as digits as its factorization.

535893521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The square root of 535893521 is about 23149.3740952104. The cubic root of 535893521 is about 812.2558267781.

The spelling of 535893521 in words is "five hundred thirty-five million, eight hundred ninety-three thousand, five hundred twenty-one".