473527991 has 2 divisors, whose sum is σ = 473527992. Its totient is φ = 473527990.

The previous prime is 473527981. The next prime is 473528053. The reversal of 473527991 is 199725374.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473527991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473527981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236763995 + 236763996.

It is an arithmetic number, because the mean of its divisors is an integer number (236763996).

Almost surely, 2^473527991 is an apocalyptic number.

473527991 is a deficient number, since it is larger than the sum of its proper divisors (1).

473527991 is an equidigital number, since it uses as much as digits as its factorization.

473527991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 473527991 is about 21760.6983114054. The cubic root of 473527991 is about 779.4385566323.

The spelling of 473527991 in words is "four hundred seventy-three million, five hundred twenty-seven thousand, nine hundred ninety-one".