255040003 has 4 divisors (see below), whose sum is σ = 257048320. Its totient is φ = 253031688.

The previous prime is 255039979. The next prime is 255040033. The reversal of 255040003 is 300040552.

It is a happy number.

255040003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255040003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255040033) 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, 1003968 + ... + 1004221.

It is an arithmetic number, because the mean of its divisors is an integer number (64262080).

Almost surely, 2^255040003 is an apocalyptic number.

255040003 is a deficient number, since it is larger than the sum of its proper divisors (2008317).

255040003 is a wasteful number, since it uses less digits than its factorization.

255040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008316.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 255040003 is about 15969.9719160680. The cubic root of 255040003 is about 634.1657285501.

Adding to 255040003 its reverse (300040552), we get a palindrome (555080555).

The spelling of 255040003 in words is "two hundred fifty-five million, forty thousand, three".