452543261 has 4 divisors (see below), whose sum is σ = 455159292. Its totient is φ = 449927232.

The previous prime is 452543251. The next prime is 452543269. The reversal of 452543261 is 162345254.

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 233325625 + 219217636 = 15275^2 + 14806^2 .

It is a cyclic number.

It is not a de Polignac number, because 452543261 - 2¹⁸ = 452281117 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 (452543269) 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, 1307756 + ... + 1308101.

It is an arithmetic number, because the mean of its divisors is an integer number (113789823).

Almost surely, 2^452543261 is an apocalyptic number.

It is an amenable number.

452543261 is a deficient number, since it is larger than the sum of its proper divisors (2616031).

452543261 is a wasteful number, since it uses less digits than its factorization.

452543261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616030.

The product of its digits is 28800, while the sum is 32.

The square root of 452543261 is about 21273.0642127551. The cubic root of 452543261 is about 767.7503692857.

The spelling of 452543261 in words is "four hundred fifty-two million, five hundred forty-three thousand, two hundred sixty-one".