232878281 has 2 divisors, whose sum is σ = 232878282. Its totient is φ = 232878280.

The previous prime is 232878271. The next prime is 232878313. The reversal of 232878281 is 182878232.

It is a happy number.

232878281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231648400 + 1229881 = 15220^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 232878281 - 2²² = 228683977 is a prime.

It is a super-2 number, since 2×232878281² = 108464587523029922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232878211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116439140 + 116439141.

It is an arithmetic number, because the mean of its divisors is an integer number (116439141).

Almost surely, 2^232878281 is an apocalyptic number.

It is an amenable number.

232878281 is a deficient number, since it is larger than the sum of its proper divisors (1).

232878281 is an equidigital number, since it uses as much as digits as its factorization.

232878281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 41.

The square root of 232878281 is about 15260.3499632217. The cubic root of 232878281 is about 615.2377788111.

The spelling of 232878281 in words is "two hundred thirty-two million, eight hundred seventy-eight thousand, two hundred eighty-one".