450544357 has 2 divisors, whose sum is σ = 450544358. Its totient is φ = 450544356.

The previous prime is 450544343. The next prime is 450544363. The reversal of 450544357 is 753445054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304642116 + 145902241 = 17454^2 + 12079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450544357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450544307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225272178 + 225272179.

It is an arithmetic number, because the mean of its divisors is an integer number (225272179).

Almost surely, 2^450544357 is an apocalyptic number.

It is an amenable number.

450544357 is a deficient number, since it is larger than the sum of its proper divisors (1).

450544357 is an equidigital number, since it uses as much as digits as its factorization.

450544357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 450544357 is about 21226.0301752353. The cubic root of 450544357 is about 766.6183048469.

The spelling of 450544357 in words is "four hundred fifty million, five hundred forty-four thousand, three hundred fifty-seven".