475432091 has 2 divisors, whose sum is σ = 475432092. Its totient is φ = 475432090.

The previous prime is 475432063. The next prime is 475432093. The reversal of 475432091 is 190234574.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475432091 is a prime.

Together with 475432093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475432093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237716045 + 237716046.

It is an arithmetic number, because the mean of its divisors is an integer number (237716046).

Almost surely, 2^475432091 is an apocalyptic number.

475432091 is a deficient number, since it is larger than the sum of its proper divisors (1).

475432091 is an equidigital number, since it uses as much as digits as its factorization.

475432091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 475432091 is about 21804.4053117713. The cubic root of 475432091 is about 780.4818910233.

The spelling of 475432091 in words is "four hundred seventy-five million, four hundred thirty-two thousand, ninety-one".