450580913 has 2 divisors, whose sum is σ = 450580914. Its totient is φ = 450580912.

The previous prime is 450580901. The next prime is 450580957. The reversal of 450580913 is 319085054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290634304 + 159946609 = 17048^2 + 12647^2 .

It is a cyclic number.

It is not a de Polignac number, because 450580913 - 2¹² = 450576817 is a prime.

It is not a weakly prime, because it can be changed into another prime (450580973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225290456 + 225290457.

It is an arithmetic number, because the mean of its divisors is an integer number (225290457).

Almost surely, 2^450580913 is an apocalyptic number.

It is an amenable number.

450580913 is a deficient number, since it is larger than the sum of its proper divisors (1).

450580913 is an equidigital number, since it uses as much as digits as its factorization.

450580913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 450580913 is about 21226.8912702732. The cubic root of 450580913 is about 766.6390380928.

The spelling of 450580913 in words is "four hundred fifty million, five hundred eighty thousand, nine hundred thirteen".