453520013 has 2 divisors, whose sum is σ = 453520014. Its totient is φ = 453520012.

The previous prime is 453520007. The next prime is 453520027. The reversal of 453520013 is 310025354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453391849 + 128164 = 21293^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 453520013 - 2¹² = 453515917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453520313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226760006 + 226760007.

It is an arithmetic number, because the mean of its divisors is an integer number (226760007).

Almost surely, 2^453520013 is an apocalyptic number.

It is an amenable number.

453520013 is a deficient number, since it is larger than the sum of its proper divisors (1).

453520013 is an equidigital number, since it uses as much as digits as its factorization.

453520013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 453520013 is about 21296.0093209972. The cubic root of 453520013 is about 768.3023333368.

Adding to 453520013 its reverse (310025354), we get a palindrome (763545367).

The spelling of 453520013 in words is "four hundred fifty-three million, five hundred twenty thousand, thirteen".