450130997 has 2 divisors, whose sum is σ = 450130998. Its totient is φ = 450130996.

The previous prime is 450130987. The next prime is 450131023. The reversal of 450130997 is 799031054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248661361 + 201469636 = 15769^2 + 14194^2 .

It is a cyclic number.

It is not a de Polignac number, because 450130997 - 2⁸ = 450130741 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450130997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450130987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225065498 + 225065499.

It is an arithmetic number, because the mean of its divisors is an integer number (225065499).

Almost surely, 2^450130997 is an apocalyptic number.

It is an amenable number.

450130997 is a deficient number, since it is larger than the sum of its proper divisors (1).

450130997 is an equidigital number, since it uses as much as digits as its factorization.

450130997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 450130997 is about 21216.2908398240. The cubic root of 450130997 is about 766.3837838732.

The spelling of 450130997 in words is "four hundred fifty million, one hundred thirty thousand, nine hundred ninety-seven".