454817971 has 2 divisors, whose sum is σ = 454817972. Its totient is φ = 454817970.

The previous prime is 454817947. The next prime is 454817999. The reversal of 454817971 is 179718454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454817971 - 2¹³ = 454809779 is a prime.

It is not a weakly prime, because it can be changed into another prime (454817921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227408985 + 227408986.

It is an arithmetic number, because the mean of its divisors is an integer number (227408986).

Almost surely, 2^454817971 is an apocalyptic number.

454817971 is a deficient number, since it is larger than the sum of its proper divisors (1).

454817971 is an equidigital number, since it uses as much as digits as its factorization.

454817971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 46.

The square root of 454817971 is about 21326.4617552936. The cubic root of 454817971 is about 769.0345864541.

The spelling of 454817971 in words is "four hundred fifty-four million, eight hundred seventeen thousand, nine hundred seventy-one".