235956089 has 4 divisors (see below), whose sum is σ = 238388724. Its totient is φ = 233523456.

The previous prime is 235956047. The next prime is 235956101. The reversal of 235956089 is 980659532.

235956089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 123765625 + 112190464 = 11125^2 + 10592^2 .

It is a cyclic number.

It is not a de Polignac number, because 235956089 - 2⁸ = 235955833 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 (235956389) 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, 1216172 + ... + 1216365.

It is an arithmetic number, because the mean of its divisors is an integer number (59597181).

Almost surely, 2^235956089 is an apocalyptic number.

It is an amenable number.

235956089 is a deficient number, since it is larger than the sum of its proper divisors (2432635).

235956089 is an equidigital number, since it uses as much as digits as its factorization.

235956089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432634.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 235956089 is about 15360.8622479339. The cubic root of 235956089 is about 617.9363306876.

The spelling of 235956089 in words is "two hundred thirty-five million, nine hundred fifty-six thousand, eighty-nine".