255242359 has 4 divisors (see below), whose sum is σ = 255307104. Its totient is φ = 255177616.

The previous prime is 255242341. The next prime is 255242363. The reversal of 255242359 is 953242552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 255242359 - 2⁵ = 255242327 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 (255242389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26047 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (63826776).

Almost surely, 2^255242359 is an apocalyptic number.

255242359 is a deficient number, since it is larger than the sum of its proper divisors (64745).

255242359 is an equidigital number, since it uses as much as digits as its factorization.

255242359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64744.

The product of its digits is 108000, while the sum is 37.

The square root of 255242359 is about 15976.3061750832. The cubic root of 255242359 is about 634.3334059263. Note that the first 3 decimals are identical.

The spelling of 255242359 in words is "two hundred fifty-five million, two hundred forty-two thousand, three hundred fifty-nine".