533537225 has 36 divisors (see below), whose sum is σ = 735969636. Its totient is φ = 383235840.

The previous prime is 533537201. The next prime is 533537227. The reversal of 533537225 is 522735335.

It can be written as a sum of positive squares in 18 ways, for example, as 284023609 + 249513616 = 16853^2 + 15796^2 .

It is not a de Polignac number, because 533537225 - 2¹⁶ = 533471689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (533537227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 154619 + ... + 158031.

It is an arithmetic number, because the mean of its divisors is an integer number (20443601).

Almost surely, 2^533537225 is an apocalyptic number.

It is an amenable number.

533537225 is a deficient number, since it is larger than the sum of its proper divisors (202432411).

533537225 is a wasteful number, since it uses less digits than its factorization.

533537225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3468 counting only the distinct ones).

The product of its digits is 94500, while the sum is 35.

The square root of 533537225 is about 23098.4247298382. The cubic root of 533537225 is about 811.0635954352.

The spelling of 533537225 in words is "five hundred thirty-three million, five hundred thirty-seven thousand, two hundred twenty-five".