454528513 has 4 divisors (see below), whose sum is σ = 470201940. Its totient is φ = 438855088.

The previous prime is 454528511. The next prime is 454528531. The reversal of 454528513 is 315825454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281132289 + 173396224 = 16767^2 + 13168^2 .

It is a cyclic number.

It is not a de Polignac number, because 454528513 - 2¹ = 454528511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (454528511) 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 3 ways as a sum of consecutive naturals, for example, 7836670 + ... + 7836727.

It is an arithmetic number, because the mean of its divisors is an integer number (117550485).

Almost surely, 2^454528513 is an apocalyptic number.

It is an amenable number.

454528513 is a deficient number, since it is larger than the sum of its proper divisors (15673427).

454528513 is a wasteful number, since it uses less digits than its factorization.

454528513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673426.

The product of its digits is 96000, while the sum is 37.

The square root of 454528513 is about 21319.6743173999. The cubic root of 454528513 is about 768.8714072867.

The spelling of 454528513 in words is "four hundred fifty-four million, five hundred twenty-eight thousand, five hundred thirteen".