455405513 has 4 divisors (see below), whose sum is σ = 465095040. Its totient is φ = 445715988.

The previous prime is 455405477. The next prime is 455405519. The reversal of 455405513 is 315504554.

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 455405513 - 2¹⁸ = 455143369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455405513.

It is not an unprimeable number, because it can be changed into a prime (455405519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4844693 + ... + 4844786.

It is an arithmetic number, because the mean of its divisors is an integer number (116273760).

Almost surely, 2^455405513 is an apocalyptic number.

It is an amenable number.

455405513 is a deficient number, since it is larger than the sum of its proper divisors (9689527).

455405513 is an equidigital number, since it uses as much as digits as its factorization.

455405513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9689526.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 455405513 is about 21340.2322620912. The cubic root of 455405513 is about 769.3655948445.

The spelling of 455405513 in words is "four hundred fifty-five million, four hundred five thousand, five hundred thirteen".