535507538 has 4 divisors (see below), whose sum is σ = 803261310. Its totient is φ = 267753768.

The previous prime is 535507529. The next prime is 535507561. The reversal of 535507538 is 835705535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 482988529 + 52519009 = 21977^2 + 7247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 535507495 and 535507504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133876883 + ... + 133876886.

Almost surely, 2^535507538 is an apocalyptic number.

535507538 is a deficient number, since it is larger than the sum of its proper divisors (267753772).

535507538 is a wasteful number, since it uses less digits than its factorization.

535507538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267753771.

The product of its (nonzero) digits is 315000, while the sum is 41.

The square root of 535507538 is about 23141.0358022280. The cubic root of 535507538 is about 812.0607679776.

The spelling of 535507538 in words is "five hundred thirty-five million, five hundred seven thousand, five hundred thirty-eight".