475838431 has 2 divisors, whose sum is σ = 475838432. Its totient is φ = 475838430.

The previous prime is 475838417. The next prime is 475838453. The reversal of 475838431 is 134838574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475838431 - 2⁷ = 475838303 is a prime.

It is a super-2 number, since 2×475838431² = 452844424833083522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475838471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237919215 + 237919216.

It is an arithmetic number, because the mean of its divisors is an integer number (237919216).

Almost surely, 2^475838431 is an apocalyptic number.

475838431 is a deficient number, since it is larger than the sum of its proper divisors (1).

475838431 is an equidigital number, since it uses as much as digits as its factorization.

475838431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 475838431 is about 21813.7211635246. The cubic root of 475838431 is about 780.7041805361.

The spelling of 475838431 in words is "four hundred seventy-five million, eight hundred thirty-eight thousand, four hundred thirty-one".