450621263 has 4 divisors (see below), whose sum is σ = 451507080. Its totient is φ = 449735448.

The previous prime is 450621251. The next prime is 450621299. The reversal of 450621263 is 362126054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450621263 - 2¹⁶ = 450555727 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 (450621203) 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, 442145 + ... + 443162.

It is an arithmetic number, because the mean of its divisors is an integer number (112876770).

Almost surely, 2^450621263 is an apocalyptic number.

450621263 is a deficient number, since it is larger than the sum of its proper divisors (885817).

450621263 is an equidigital number, since it uses as much as digits as its factorization.

450621263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885816.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 450621263 is about 21227.8416943409. The cubic root of 450621263 is about 766.6619218568.

The spelling of 450621263 in words is "four hundred fifty million, six hundred twenty-one thousand, two hundred sixty-three".