255504001 has 8 divisors (see below), whose sum is σ = 269956800. Its totient is φ = 241151760.

The previous prime is 255503993. The next prime is 255504013. The reversal of 255504001 is 100405552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255504001 - 2³ = 255503993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255504901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19885 + ... + 30106.

It is an arithmetic number, because the mean of its divisors is an integer number (33744600).

Almost surely, 2^255504001 is an apocalyptic number.

It is an amenable number.

255504001 is a deficient number, since it is larger than the sum of its proper divisors (14452799).

255504001 is a wasteful number, since it uses less digits than its factorization.

255504001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50279.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 255504001 is about 15984.4925161858. The cubic root of 255504001 is about 634.5500778822.

Adding to 255504001 its reverse (100405552), we get a palindrome (355909553).

The spelling of 255504001 in words is "two hundred fifty-five million, five hundred four thousand, one".