450454957 has 2 divisors, whose sum is σ = 450454958. Its totient is φ = 450454956.

The previous prime is 450454943. The next prime is 450454969. The reversal of 450454957 is 759454054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438106761 + 12348196 = 20931^2 + 3514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450454957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450454997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225227478 + 225227479.

It is an arithmetic number, because the mean of its divisors is an integer number (225227479).

Almost surely, 2^450454957 is an apocalyptic number.

It is an amenable number.

450454957 is a deficient number, since it is larger than the sum of its proper divisors (1).

450454957 is an equidigital number, since it uses as much as digits as its factorization.

450454957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 450454957 is about 21223.9241659030. The cubic root of 450454957 is about 766.5675956629.

The spelling of 450454957 in words is "four hundred fifty million, four hundred fifty-four thousand, nine hundred fifty-seven".