450520461 has 10 divisors (see below), whose sum is σ = 672999822. Its totient is φ = 300346920.

The previous prime is 450520439. The next prime is 450520463. The reversal of 450520461 is 164025054.

450520461 is a `hidden beast` number, since 450 + 5 + 204 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 343397961 + 107122500 = 18531^2 + 10350^2 .

It is not a de Polignac number, because 450520461 - 2²³ = 442131853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450520463) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2780910 + ... + 2781071.

Almost surely, 2^450520461 is an apocalyptic number.

It is an amenable number.

450520461 is a deficient number, since it is larger than the sum of its proper divisors (222479361).

450520461 is an equidigital number, since it uses as much as digits as its factorization.

450520461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561993 (or 5561984 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 450520461 is about 21225.4672740084. The cubic root of 450520461 is about 766.6047512906.

The spelling of 450520461 in words is "four hundred fifty million, five hundred twenty thousand, four hundred sixty-one".