450552565 has 4 divisors (see below), whose sum is σ = 540663084. Its totient is φ = 360442048.

The previous prime is 450552533. The next prime is 450552577. The reversal of 450552565 is 565255054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 287709444 + 162843121 = 16962^2 + 12761^2 .

It is a cyclic number.

It is not a de Polignac number, because 450552565 - 2⁵ = 450552533 is a prime.

It is a super-2 number, since 2×450552565² = 405995227656158450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45055252 + ... + 45055261.

It is an arithmetic number, because the mean of its divisors is an integer number (135165771).

Almost surely, 2^450552565 is an apocalyptic number.

It is an amenable number.

450552565 is a deficient number, since it is larger than the sum of its proper divisors (90110519).

450552565 is an equidigital number, since it uses as much as digits as its factorization.

450552565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90110518.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 450552565 is about 21226.2235218609. The cubic root of 450552565 is about 766.6229602263.

The spelling of 450552565 in words is "four hundred fifty million, five hundred fifty-two thousand, five hundred sixty-five".