255540035 has 4 divisors (see below), whose sum is σ = 306648048. Its totient is φ = 204432024.

The previous prime is 255540031. The next prime is 255540049. The reversal of 255540035 is 530045552.

It is a happy number.

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 255540035 - 2² = 255540031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255540031) 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, 25553999 + ... + 25554008.

It is an arithmetic number, because the mean of its divisors is an integer number (76662012).

Almost surely, 2^255540035 is an apocalyptic number.

255540035 is a deficient number, since it is larger than the sum of its proper divisors (51108013).

255540035 is an equidigital number, since it uses as much as digits as its factorization.

255540035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51108012.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 255540035 is about 15985.6196314062. The cubic root of 255540035 is about 634.5799069032.

Adding to 255540035 its reverse (530045552), we get a palindrome (785585587).

The spelling of 255540035 in words is "two hundred fifty-five million, five hundred forty thousand, thirty-five".