473231491 has 2 divisors, whose sum is σ = 473231492. Its totient is φ = 473231490.

The previous prime is 473231489. The next prime is 473231497. The reversal of 473231491 is 194132374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 473231491 - 2¹ = 473231489 is a prime.

Together with 473231489, it forms a pair of twin primes.

It is equal to p_25017487 and since 473231491 and 25017487 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (473231497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236615745 + 236615746.

It is an arithmetic number, because the mean of its divisors is an integer number (236615746).

Almost surely, 2^473231491 is an apocalyptic number.

473231491 is a deficient number, since it is larger than the sum of its proper divisors (1).

473231491 is an equidigital number, since it uses as much as digits as its factorization.

473231491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 473231491 is about 21753.8845036927. The cubic root of 473231491 is about 779.2758406025.

The spelling of 473231491 in words is "four hundred seventy-three million, two hundred thirty-one thousand, four hundred ninety-one".