452459521 has 4 divisors (see below), whose sum is σ = 476273200. Its totient is φ = 428645844.

The previous prime is 452459503. The next prime is 452459531. The reversal of 452459521 is 125954254.

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 452459521 - 2¹⁵ = 452426753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452459531) 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, 11906811 + ... + 11906848.

It is an arithmetic number, because the mean of its divisors is an integer number (119068300).

Almost surely, 2^452459521 is an apocalyptic number.

It is an amenable number.

452459521 is a deficient number, since it is larger than the sum of its proper divisors (23813679).

452459521 is a wasteful number, since it uses less digits than its factorization.

452459521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23813678.

The product of its digits is 72000, while the sum is 37.

The square root of 452459521 is about 21271.0959050069. The cubic root of 452459521 is about 767.7030107328.

The spelling of 452459521 in words is "four hundred fifty-two million, four hundred fifty-nine thousand, five hundred twenty-one".