450247971 has 4 divisors (see below), whose sum is σ = 600330632. Its totient is φ = 300165312.

The previous prime is 450247961. The next prime is 450247979. The reversal of 450247971 is 179742054.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 450247971 - 2⁷ = 450247843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450247979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75041326 + ... + 75041331.

It is an arithmetic number, because the mean of its divisors is an integer number (150082658).

Almost surely, 2^450247971 is an apocalyptic number.

450247971 is a deficient number, since it is larger than the sum of its proper divisors (150082661).

450247971 is a wasteful number, since it uses less digits than its factorization.

450247971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150082660.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 450247971 is about 21219.0473631594. The cubic root of 450247971 is about 766.4501639663.

The spelling of 450247971 in words is "four hundred fifty million, two hundred forty-seven thousand, nine hundred seventy-one".