235066813 has 4 divisors (see below), whose sum is σ = 235178748. Its totient is φ = 234954880.

The previous prime is 235066807. The next prime is 235066829. The reversal of 235066813 is 318660532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 220611609 + 14455204 = 14853^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 235066813 - 2⁹ = 235066301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235066313) 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, 52756 + ... + 57037.

It is an arithmetic number, because the mean of its divisors is an integer number (58794687).

Almost surely, 2^235066813 is an apocalyptic number.

It is an amenable number.

235066813 is a deficient number, since it is larger than the sum of its proper divisors (111935).

235066813 is a wasteful number, since it uses less digits than its factorization.

235066813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111934.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 235066813 is about 15331.8887616627. Note that the first 3 decimals coincide. The cubic root of 235066813 is about 617.1590564893.

The spelling of 235066813 in words is "two hundred thirty-five million, sixty-six thousand, eight hundred thirteen".