255761536 has 32 divisors (see below), whose sum is σ = 510453900. Its totient is φ = 127647744.

The previous prime is 255761531. The next prime is 255761543. The reversal of 255761536 is 635167552.

255761536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208975936 + 46785600 = 14456^2 + 6840^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (255761531) 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, 84660 + ... + 87628.

Almost surely, 2^255761536 is an apocalyptic number.

It is an amenable number.

255761536 is a deficient number, since it is larger than the sum of its proper divisors (254692364).

255761536 is an equidigital number, since it uses as much as digits as its factorization.

255761536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3644 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 255761536 is about 15992.5462638068. The cubic root of 255761536 is about 634.7632043282.

The spelling of 255761536 in words is "two hundred fifty-five million, seven hundred sixty-one thousand, five hundred thirty-six".