450555013 has 2 divisors, whose sum is σ = 450555014. Its totient is φ = 450555012.

The previous prime is 450555011. The next prime is 450555059. The reversal of 450555013 is 310555054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407757249 + 42797764 = 20193^2 + 6542^2 .

It is a cyclic number.

It is not a de Polignac number, because 450555013 - 2¹ = 450555011 is a prime.

Together with 450555011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450555011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225277506 + 225277507.

It is an arithmetic number, because the mean of its divisors is an integer number (225277507).

Almost surely, 2^450555013 is an apocalyptic number.

It is an amenable number.

450555013 is a deficient number, since it is larger than the sum of its proper divisors (1).

450555013 is an equidigital number, since it uses as much as digits as its factorization.

450555013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 450555013 is about 21226.2811863030. The cubic root of 450555013 is about 766.6243486619.

The spelling of 450555013 in words is "four hundred fifty million, five hundred fifty-five thousand, thirteen".