900505255 has 8 divisors (see below), whose sum is σ = 1163729952. Its totient is φ = 664988448.

The previous prime is 900505253. The next prime is 900505271. The reversal of 900505255 is 552505009.

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 900505255 - 2¹ = 900505253 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 (900505253) 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, 6926899 + ... + 6927028.

It is an arithmetic number, because the mean of its divisors is an integer number (145466244).

Almost surely, 2^900505255 is an apocalyptic number.

900505255 is a deficient number, since it is larger than the sum of its proper divisors (263224697).

900505255 is a wasteful number, since it uses less digits than its factorization.

900505255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13853945.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 900505255 is about 30008.4197351343. The cubic root of 900505255 is about 965.6700242654.

The spelling of 900505255 in words is "nine hundred million, five hundred five thousand, two hundred fifty-five".