450000647 has 2 divisors, whose sum is σ = 450000648. Its totient is φ = 450000646.

The previous prime is 450000631. The next prime is 450000653. The reversal of 450000647 is 746000054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450000647 - 2⁴ = 450000631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450002647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225000323 + 225000324.

It is an arithmetic number, because the mean of its divisors is an integer number (225000324).

Almost surely, 2^450000647 is an apocalyptic number.

450000647 is a deficient number, since it is larger than the sum of its proper divisors (1).

450000647 is an equidigital number, since it uses as much as digits as its factorization.

450000647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 450000647 is about 21213.2186855272. The cubic root of 450000647 is about 766.3097996543.

The spelling of 450000647 in words is "four hundred fifty million, six hundred forty-seven", and thus it is an aban number.