255330331 has 2 divisors, whose sum is σ = 255330332. Its totient is φ = 255330330.

The previous prime is 255330319. The next prime is 255330343. The reversal of 255330331 is 133033552.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (255330319) and next prime (255330343).

It is a cyclic number.

It is not a de Polignac number, because 255330331 - 2²⁷ = 121112603 is a prime.

It is a super-2 number, since 2×255330331² = 130387155857139122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255330296 and 255330305.

It is not a weakly prime, because it can be changed into another prime (255330371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127665165 + 127665166.

It is an arithmetic number, because the mean of its divisors is an integer number (127665166).

Almost surely, 2^255330331 is an apocalyptic number.

255330331 is a deficient number, since it is larger than the sum of its proper divisors (1).

255330331 is an equidigital number, since it uses as much as digits as its factorization.

255330331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 255330331 is about 15979.0591400120. The cubic root of 255330331 is about 634.4062741455.

Adding to 255330331 its reverse (133033552), we get a palindrome (388363883).

The spelling of 255330331 in words is "two hundred fifty-five million, three hundred thirty thousand, three hundred thirty-one".