455121513 has 24 divisors (see below), whose sum is σ = 819614016. Its totient is φ = 236426400.

The previous prime is 455121481. The next prime is 455121517. The reversal of 455121513 is 315121554.

It is not a de Polignac number, because 455121513 - 2⁵ = 455121481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455121517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327678 + ... + 329063.

It is an arithmetic number, because the mean of its divisors is an integer number (34150584).

Almost surely, 2^455121513 is an apocalyptic number.

It is an amenable number.

455121513 is a deficient number, since it is larger than the sum of its proper divisors (364492503).

455121513 is a wasteful number, since it uses less digits than its factorization.

455121513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656765 (or 656762 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 455121513 is about 21333.5771262112. The cubic root of 455121513 is about 769.2056309890.

The spelling of 455121513 in words is "four hundred fifty-five million, one hundred twenty-one thousand, five hundred thirteen".