255454751 has 4 divisors (see below), whose sum is σ = 256600512. Its totient is φ = 254308992.

The previous prime is 255454747. The next prime is 255454777. The reversal of 255454751 is 157454552.

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 255454751 - 2² = 255454747 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 (255454781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572546 + ... + 572991.

It is an arithmetic number, because the mean of its divisors is an integer number (64150128).

Almost surely, 2^255454751 is an apocalyptic number.

255454751 is a deficient number, since it is larger than the sum of its proper divisors (1145761).

255454751 is a wasteful number, since it uses less digits than its factorization.

255454751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145760.

The product of its digits is 140000, while the sum is 38.

The square root of 255454751 is about 15982.9518863069. The cubic root of 255454751 is about 634.5093040920.

The spelling of 255454751 in words is "two hundred fifty-five million, four hundred fifty-four thousand, seven hundred fifty-one".