450497087 has 4 divisors (see below), whose sum is σ = 474207480. Its totient is φ = 426786696.

The previous prime is 450497083. The next prime is 450497101. The reversal of 450497087 is 780794054.

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 450497087 - 2² = 450497083 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 (450497083) 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, 11855168 + ... + 11855205.

It is an arithmetic number, because the mean of its divisors is an integer number (118551870).

Almost surely, 2^450497087 is an apocalyptic number.

450497087 is a deficient number, since it is larger than the sum of its proper divisors (23710393).

450497087 is a wasteful number, since it uses less digits than its factorization.

450497087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23710392.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 450497087 is about 21224.9166547245. The cubic root of 450497087 is about 766.5914933435.

The spelling of 450497087 in words is "four hundred fifty million, four hundred ninety-seven thousand, eighty-seven".