452006581 has 4 divisors (see below), whose sum is σ = 486776332. Its totient is φ = 417236832.

The previous prime is 452006563. The next prime is 452006587. The reversal of 452006581 is 185600254.

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 40119556 + 411887025 = 6334^2 + 20295^2 .

It is a cyclic number.

It is not a de Polignac number, because 452006581 - 2¹⁵ = 451973813 is a prime.

It is a super-2 number, since 2×452006581² = 408619898534619122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452006587) 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, 17384856 + ... + 17384881.

It is an arithmetic number, because the mean of its divisors is an integer number (121694083).

Almost surely, 2^452006581 is an apocalyptic number.

It is an amenable number.

452006581 is a deficient number, since it is larger than the sum of its proper divisors (34769751).

452006581 is a wasteful number, since it uses less digits than its factorization.

452006581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34769750.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 452006581 is about 21260.4463970068. The cubic root of 452006581 is about 767.4467524518.

The spelling of 452006581 in words is "four hundred fifty-two million, six thousand, five hundred eighty-one".