235988081 has 8 divisors (see below), whose sum is σ = 275439360. Its totient is φ = 197971488.

The previous prime is 235988057. The next prime is 235988083. The reversal of 235988081 is 180889532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235988081 - 2¹⁸ = 235725937 is a prime.

It is a super-2 number, since 2×235988081² = 111380748748125122, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (235988083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358316 + ... + 358973.

It is an arithmetic number, because the mean of its divisors is an integer number (34429920).

Almost surely, 2^235988081 is an apocalyptic number.

It is an amenable number.

235988081 is a deficient number, since it is larger than the sum of its proper divisors (39451279).

235988081 is an equidigital number, since it uses as much as digits as its factorization.

235988081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717343.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 235988081 is about 15361.9035604316. The cubic root of 235988081 is about 617.9642569651.

The spelling of 235988081 in words is "two hundred thirty-five million, nine hundred eighty-eight thousand, eighty-one".