451316513 has 4 divisors (see below), whose sum is σ = 460919040. Its totient is φ = 441713988.

The previous prime is 451316483. The next prime is 451316533. The reversal of 451316513 is 315613154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 451316513 - 2⁶ = 451316449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451316533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4801193 + ... + 4801286.

It is an arithmetic number, because the mean of its divisors is an integer number (115229760).

Almost surely, 2^451316513 is an apocalyptic number.

It is an amenable number.

451316513 is a deficient number, since it is larger than the sum of its proper divisors (9602527).

451316513 is an equidigital number, since it uses as much as digits as its factorization.

451316513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9602526.

The product of its digits is 5400, while the sum is 29.

The square root of 451316513 is about 21244.2112821352. The cubic root of 451316513 is about 767.0560057967.

Adding to 451316513 its reverse (315613154), we get a palindrome (766929667).

The spelling of 451316513 in words is "four hundred fifty-one million, three hundred sixteen thousand, five hundred thirteen".