450980613 has 6 divisors (see below), whose sum is σ = 651416454. Its totient is φ = 300653736.

The previous prime is 450980611. The next prime is 450980671. The reversal of 450980613 is 316089054.

It can be written as a sum of positive squares in only one way, i.e., 395134884 + 55845729 = 19878^2 + 7473^2 .

It is not a de Polignac number, because 450980613 - 2¹ = 450980611 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450980611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25054470 + ... + 25054487.

It is an arithmetic number, because the mean of its divisors is an integer number (108569409).

Almost surely, 2^450980613 is an apocalyptic number.

It is an amenable number.

450980613 is a deficient number, since it is larger than the sum of its proper divisors (200435841).

450980613 is a wasteful number, since it uses less digits than its factorization.

450980613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50108963 (or 50108960 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 450980613 is about 21236.3041276019. The cubic root of 450980613 is about 766.8656604016.

The spelling of 450980613 in words is "four hundred fifty million, nine hundred eighty thousand, six hundred thirteen".