452500621 has 4 divisors (see below), whose sum is σ = 452592700. Its totient is φ = 452408544.

The previous prime is 452500613. The next prime is 452500627. The reversal of 452500621 is 126005254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126005254 = 2 ⋅63002627.

It can be written as a sum of positive squares in 2 ways, for example, as 330839721 + 121660900 = 18189^2 + 11030^2 .

It is a cyclic number.

It is not a de Polignac number, because 452500621 - 2³ = 452500613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452500627) 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, 38226 + ... + 48643.

It is an arithmetic number, because the mean of its divisors is an integer number (113148175).

Almost surely, 2^452500621 is an apocalyptic number.

It is an amenable number.

452500621 is a deficient number, since it is larger than the sum of its proper divisors (92079).

452500621 is an equidigital number, since it uses as much as digits as its factorization.

452500621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92078.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 452500621 is about 21272.0619827980. The cubic root of 452500621 is about 767.7262552714.

Adding to 452500621 its reverse (126005254), we get a palindrome (578505875).

The spelling of 452500621 in words is "four hundred fifty-two million, five hundred thousand, six hundred twenty-one".