450233561 has 4 divisors (see below), whose sum is σ = 455932800. Its totient is φ = 444534324.

The previous prime is 450233527. The next prime is 450233573. The reversal of 450233561 is 165332054.

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-450233561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450233461) 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, 2849501 + ... + 2849658.

It is an arithmetic number, because the mean of its divisors is an integer number (113983200).

Almost surely, 2^450233561 is an apocalyptic number.

It is an amenable number.

450233561 is a deficient number, since it is larger than the sum of its proper divisors (5699239).

450233561 is an equidigital number, since it uses as much as digits as its factorization.

450233561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699238.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 450233561 is about 21218.7078070273. The cubic root of 450233561 is about 766.4419872389.

It can be divided in two parts, 45023 and 3561, that added together give a palindrome (48584).

The spelling of 450233561 in words is "four hundred fifty million, two hundred thirty-three thousand, five hundred sixty-one".