450675561 has 32 divisors (see below), whose sum is σ = 705070080. Its totient is φ = 250697664.

The previous prime is 450675541. The next prime is 450675583. The reversal of 450675561 is 165576054.

It is not a de Polignac number, because 450675561 - 2¹⁴ = 450659177 is a prime.

It is a super-2 number, since 2×450675561² = 406216922565329442, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450675541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350626 + ... + 351908.

It is an arithmetic number, because the mean of its divisors is an integer number (22033440).

Almost surely, 2^450675561 is an apocalyptic number.

It is an amenable number.

450675561 is a deficient number, since it is larger than the sum of its proper divisors (254394519).

450675561 is a wasteful number, since it uses less digits than its factorization.

450675561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 450675561 is about 21229.1205894168. The cubic root of 450675561 is about 766.6927138178.

The spelling of 450675561 in words is "four hundred fifty million, six hundred seventy-five thousand, five hundred sixty-one".