475503907 has 2 divisors, whose sum is σ = 475503908. Its totient is φ = 475503906.

The previous prime is 475503901. The next prime is 475503953. The reversal of 475503907 is 709305574.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475503907 is a prime.

It is a super-2 number, since 2×475503907² = 452207931144529298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 475503907.

It is not a weakly prime, because it can be changed into another prime (475503901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237751953 + 237751954.

It is an arithmetic number, because the mean of its divisors is an integer number (237751954).

Almost surely, 2^475503907 is an apocalyptic number.

475503907 is a deficient number, since it is larger than the sum of its proper divisors (1).

475503907 is an equidigital number, since it uses as much as digits as its factorization.

475503907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 475503907 is about 21806.0520727618. The cubic root of 475503907 is about 780.5211873929.

The spelling of 475503907 in words is "four hundred seventy-five million, five hundred three thousand, nine hundred seven".