535409329 has 24 divisors (see below), whose sum is σ = 672219240. Its totient is φ = 422682624.

The previous prime is 535409321. The next prime is 535409333. The reversal of 535409329 is 923904535.

It can be written as a sum of positive squares in 4 ways, for example, as 111872929 + 423536400 = 10577^2 + 20580^2 .

It is not a de Polignac number, because 535409329 - 2³ = 535409321 is a prime.

It is a super-3 number, since 3×535409329³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 535409291 and 535409300.

It is not an unprimeable number, because it can be changed into a prime (535409321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489307 + ... + 490399.

It is an arithmetic number, because the mean of its divisors is an integer number (28009135).

Almost surely, 2^535409329 is an apocalyptic number.

It is an amenable number.

535409329 is a deficient number, since it is larger than the sum of its proper divisors (136809911).

535409329 is a wasteful number, since it uses less digits than its factorization.

535409329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 535409329 is about 23138.9137385487. The cubic root of 535409329 is about 812.0111225191.

The spelling of 535409329 in words is "five hundred thirty-five million, four hundred nine thousand, three hundred twenty-nine".