255701801 has 4 divisors (see below), whose sum is σ = 258233604. Its totient is φ = 253170000.

The previous prime is 255701773. The next prime is 255701821. The reversal of 255701801 is 108107552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 240994576 + 14707225 = 15524^2 + 3835^2 .

It is a cyclic number.

It is not a de Polignac number, because 255701801 - 2⁶ = 255701737 is a prime.

It is a super-2 number, since 2×255701801² = 130766822069287202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255701821) 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, 1265750 + ... + 1265951.

It is an arithmetic number, because the mean of its divisors is an integer number (64558401).

Almost surely, 2^255701801 is an apocalyptic number.

It is an amenable number.

255701801 is a deficient number, since it is larger than the sum of its proper divisors (2531803).

255701801 is a wasteful number, since it uses less digits than its factorization.

255701801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531802.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 255701801 is about 15990.6785659646. The cubic root of 255701801 is about 634.7137825987.

The spelling of 255701801 in words is "two hundred fifty-five million, seven hundred one thousand, eight hundred one".