255451057 has 4 divisors (see below), whose sum is σ = 255484260. Its totient is φ = 255417856.

The previous prime is 255451037. The next prime is 255451069. The reversal of 255451057 is 750154552.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 186295201 + 69155856 = 13649^2 + 8316^2 .

It is a cyclic number.

It is not a de Polignac number, because 255451057 - 2⁷ = 255450929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255451037) 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, 1569 + ... + 22657.

It is an arithmetic number, because the mean of its divisors is an integer number (63871065).

Almost surely, 2^255451057 is an apocalyptic number.

It is an amenable number.

255451057 is a deficient number, since it is larger than the sum of its proper divisors (33203).

255451057 is a wasteful number, since it uses less digits than its factorization.

255451057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33202.

The product of its (nonzero) digits is 35000, while the sum is 34.

The square root of 255451057 is about 15982.8363252584. The cubic root of 255451057 is about 634.5062456395.

The spelling of 255451057 in words is "two hundred fifty-five million, four hundred fifty-one thousand, fifty-seven".