475503911 has 4 divisors (see below), whose sum is σ = 476137824. Its totient is φ = 474870000.

The previous prime is 475503907. The next prime is 475503953. The reversal of 475503911 is 119305574.

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 475503911 - 2² = 475503907 is a prime.

It is a super-2 number, since 2×475503911² = 452207938752591842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475503901) 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, 315830 + ... + 317331.

It is an arithmetic number, because the mean of its divisors is an integer number (119034456).

Almost surely, 2^475503911 is an apocalyptic number.

475503911 is a deficient number, since it is larger than the sum of its proper divisors (633913).

475503911 is an equidigital number, since it uses as much as digits as its factorization.

475503911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633912.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 475503911 is about 21806.0521644795. The cubic root of 475503911 is about 780.5211895815.

The spelling of 475503911 in words is "four hundred seventy-five million, five hundred three thousand, nine hundred eleven".