450521541 has 8 divisors (see below), whose sum is σ = 667439360. Its totient is φ = 300347676.

The previous prime is 450521497. The next prime is 450521557. The reversal of 450521541 is 145125054.

450521541 is a `hidden beast` number, since 4 + 505 + 2 + 154 + 1 = 666.

It is not a de Polignac number, because 450521541 - 2¹⁰ = 450520517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16685983 = 450521541 / (4 + 5 + 0 + 5 + 2 + 1 + 5 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450521741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8342965 + ... + 8343018.

It is an arithmetic number, because the mean of its divisors is an integer number (83429920).

Almost surely, 2^450521541 is an apocalyptic number.

It is an amenable number.

450521541 is a deficient number, since it is larger than the sum of its proper divisors (216917819).

450521541 is a wasteful number, since it uses less digits than its factorization.

450521541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16685992 (or 16685986 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 450521541 is about 21225.4927151291. The cubic root of 450521541 is about 766.6053638654.

Adding to 450521541 its reverse (145125054), we get a palindrome (595646595).

The spelling of 450521541 in words is "four hundred fifty million, five hundred twenty-one thousand, five hundred forty-one".