450320903 has 8 divisors (see below), whose sum is σ = 468547200. Its totient is φ = 432274528.

The previous prime is 450320879. The next prime is 450320929. The reversal of 450320903 is 309023054.

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 450320903 - 2¹² = 450316807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450320993) 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, 39863 + ... + 49896.

It is an arithmetic number, because the mean of its divisors is an integer number (58568400).

Almost surely, 2^450320903 is an apocalyptic number.

450320903 is a deficient number, since it is larger than the sum of its proper divisors (18226297).

450320903 is a wasteful number, since it uses less digits than its factorization.

450320903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89961.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 450320903 is about 21220.7658438615. The cubic root of 450320903 is about 766.4915454042.

Adding to 450320903 its reverse (309023054), we get a palindrome (759343957).

The spelling of 450320903 in words is "four hundred fifty million, three hundred twenty thousand, nine hundred three".