450648497 has 4 divisors (see below), whose sum is σ = 485313780. Its totient is φ = 415983216.

The previous prime is 450648481. The next prime is 450648503. The reversal of 450648497 is 794846054.

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 197233936 + 253414561 = 14044^2 + 15919^2 .

It is a cyclic number.

It is not a de Polignac number, because 450648497 - 2⁴ = 450648481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450648467) 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, 17332622 + ... + 17332647.

It is an arithmetic number, because the mean of its divisors is an integer number (121328445).

Almost surely, 2^450648497 is an apocalyptic number.

It is an amenable number.

450648497 is a deficient number, since it is larger than the sum of its proper divisors (34665283).

450648497 is a wasteful number, since it uses less digits than its factorization.

450648497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34665282.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 450648497 is about 21228.4831535369. The cubic root of 450648497 is about 766.6773663493.

The spelling of 450648497 in words is "four hundred fifty million, six hundred forty-eight thousand, four hundred ninety-seven".