255424061 has 4 divisors (see below), whose sum is σ = 262327452. Its totient is φ = 248520672.

The previous prime is 255424027. The next prime is 255424067. The reversal of 255424061 is 160424552.

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 222188836 + 33235225 = 14906^2 + 5765^2 .

It is a cyclic number.

It is not a de Polignac number, because 255424061 - 2¹⁸ = 255161917 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 (255424067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451640 + ... + 3451713.

It is an arithmetic number, because the mean of its divisors is an integer number (65581863).

Almost surely, 2^255424061 is an apocalyptic number.

It is an amenable number.

255424061 is a deficient number, since it is larger than the sum of its proper divisors (6903391).

255424061 is an equidigital number, since it uses as much as digits as its factorization.

255424061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903390.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 255424061 is about 15981.9917719914. The cubic root of 255424061 is about 634.4838933682.

The spelling of 255424061 in words is "two hundred fifty-five million, four hundred twenty-four thousand, sixty-one".