450160621 has 4 divisors (see below), whose sum is σ = 450264672. Its totient is φ = 450056572.

The previous prime is 450160583. The next prime is 450160631. The reversal of 450160621 is 126061054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450160621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450160631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45241 + ... + 54286.

It is an arithmetic number, because the mean of its divisors is an integer number (112566168).

Almost surely, 2^450160621 is an apocalyptic number.

It is an amenable number.

450160621 is a deficient number, since it is larger than the sum of its proper divisors (104051).

450160621 is an equidigital number, since it uses as much as digits as its factorization.

450160621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104050.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 450160621 is about 21216.9889711052. The cubic root of 450160621 is about 766.4005959089.

The spelling of 450160621 in words is "four hundred fifty million, one hundred sixty thousand, six hundred twenty-one".