255934401 has 16 divisors (see below), whose sum is σ = 346731840. Its totient is φ = 167896640.

The previous prime is 255934397. The next prime is 255934421. The reversal of 255934401 is 104439552.

It is a cyclic number.

It is not a de Polignac number, because 255934401 - 2² = 255934397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255934421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65071 + ... + 68891.

It is an arithmetic number, because the mean of its divisors is an integer number (21670740).

Almost surely, 2^255934401 is an apocalyptic number.

It is an amenable number.

255934401 is a deficient number, since it is larger than the sum of its proper divisors (90797439).

255934401 is a wasteful number, since it uses less digits than its factorization.

255934401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 255934401 is about 15997.9498999091. The cubic root of 255934401 is about 634.9061807782.

The spelling of 255934401 in words is "two hundred fifty-five million, nine hundred thirty-four thousand, four hundred one".