450321421 has 8 divisors (see below), whose sum is σ = 491436000. Its totient is φ = 409236240.

The previous prime is 450321419. The next prime is 450321437. The reversal of 450321421 is 124123054.

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 450321421 - 2¹ = 450321419 is a prime.

It is a super-2 number, since 2×450321421² = 405578764422918482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450321392 and 450321401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450321481) 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, 35655 + ... + 46603.

It is an arithmetic number, because the mean of its divisors is an integer number (61429500).

Almost surely, 2^450321421 is an apocalyptic number.

It is an amenable number.

450321421 is a deficient number, since it is larger than the sum of its proper divisors (41114579).

450321421 is a wasteful number, since it uses less digits than its factorization.

450321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14699.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 450321421 is about 21220.7780488841. The cubic root of 450321421 is about 766.4918393002.

Adding to 450321421 its reverse (124123054), we get a palindrome (574444475).

The spelling of 450321421 in words is "four hundred fifty million, three hundred twenty-one thousand, four hundred twenty-one".