450613997 has 2 divisors, whose sum is σ = 450613998. Its totient is φ = 450613996.

The previous prime is 450613993. The next prime is 450614023. The reversal of 450613997 is 799316054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380289001 + 70324996 = 19501^2 + 8386^2 .

It is a cyclic number.

It is not a de Polignac number, because 450613997 - 2² = 450613993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450613991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225306998 + 225306999.

It is an arithmetic number, because the mean of its divisors is an integer number (225306999).

Almost surely, 2^450613997 is an apocalyptic number.

It is an amenable number.

450613997 is a deficient number, since it is larger than the sum of its proper divisors (1).

450613997 is an equidigital number, since it uses as much as digits as its factorization.

450613997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 450613997 is about 21227.6705504867. The cubic root of 450613997 is about 766.6578011787.

The spelling of 450613997 in words is "four hundred fifty million, six hundred thirteen thousand, nine hundred ninety-seven".