452021459 has 4 divisors (see below), whose sum is σ = 452144304. Its totient is φ = 451898616.

The previous prime is 452021389. The next prime is 452021473. The reversal of 452021459 is 954120254.

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

It is a cyclic number.

It is not a de Polignac number, because 452021459 - 2²⁰ = 450972883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452026459) 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, 55727 + ... + 63320.

It is an arithmetic number, because the mean of its divisors is an integer number (113036076).

Almost surely, 2^452021459 is an apocalyptic number.

452021459 is a deficient number, since it is larger than the sum of its proper divisors (122845).

452021459 is a wasteful number, since it uses less digits than its factorization.

452021459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122844.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 452021459 is about 21260.7962927074. The cubic root of 452021459 is about 767.4551726445.

The spelling of 452021459 in words is "four hundred fifty-two million, twenty-one thousand, four hundred fifty-nine".