450021713 has 8 divisors (see below), whose sum is σ = 468518568. Its totient is φ = 431858304.

The previous prime is 450021673. The next prime is 450021727. The reversal of 450021713 is 317120054.

It can be written as a sum of positive squares in 4 ways, for example, as 52896529 + 397125184 = 7273^2 + 19928^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450021713 - 2²⁰ = 448973137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450021743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80606 + ... + 86007.

It is an arithmetic number, because the mean of its divisors is an integer number (58564821).

Almost surely, 2^450021713 is an apocalyptic number.

It is an amenable number.

450021713 is a deficient number, since it is larger than the sum of its proper divisors (18496855).

450021713 is a wasteful number, since it uses less digits than its factorization.

450021713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166723.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 450021713 is about 21213.7152097411. The cubic root of 450021713 is about 766.3217572892.

Adding to 450021713 its reverse (317120054), we get a palindrome (767141767).

The spelling of 450021713 in words is "four hundred fifty million, twenty-one thousand, seven hundred thirteen".