475503851 has 2 divisors, whose sum is σ = 475503852. Its totient is φ = 475503850.

The previous prime is 475503839. The next prime is 475503857. The reversal of 475503851 is 158305574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475503851 - 2¹⁸ = 475241707 is a prime.

It is a super-2 number, since 2×475503851² = 452207824631660402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475503857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237751925 + 237751926.

It is an arithmetic number, because the mean of its divisors is an integer number (237751926).

Almost surely, 2^475503851 is an apocalyptic number.

475503851 is a deficient number, since it is larger than the sum of its proper divisors (1).

475503851 is an equidigital number, since it uses as much as digits as its factorization.

475503851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 475503851 is about 21806.0507887146. The cubic root of 475503851 is about 780.5211567523.

The spelling of 475503851 in words is "four hundred seventy-five million, five hundred three thousand, eight hundred fifty-one".