538840535 has 4 divisors (see below), whose sum is σ = 646608648. Its totient is φ = 431072424.

The previous prime is 538840531. The next prime is 538840541. The reversal of 538840535 is 535048835.

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

It is a cyclic number.

It is not a de Polignac number, because 538840535 - 2² = 538840531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538840492 and 538840501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538840531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53884049 + ... + 53884058.

It is an arithmetic number, because the mean of its divisors is an integer number (161652162).

Almost surely, 2^538840535 is an apocalyptic number.

538840535 is a deficient number, since it is larger than the sum of its proper divisors (107768113).

538840535 is a wasteful number, since it uses less digits than its factorization.

538840535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107768112.

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 538840535 is about 23212.9389565389. The cubic root of 538840535 is about 813.7420391497.

The spelling of 538840535 in words is "five hundred thirty-eight million, eight hundred forty thousand, five hundred thirty-five".