452047889 has 4 divisors (see below), whose sum is σ = 452097060. Its totient is φ = 451998720.

The previous prime is 452047879. The next prime is 452047903. The reversal of 452047889 is 988740254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 222010000 + 230037889 = 14900^2 + 15167^2 .

It is a cyclic number.

It is not a de Polignac number, because 452047889 - 2²⁸ = 183612433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452047879) 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, 6224 + ... + 30705.

It is an arithmetic number, because the mean of its divisors is an integer number (113024265).

Almost surely, 2^452047889 is an apocalyptic number.

It is an amenable number.

452047889 is a deficient number, since it is larger than the sum of its proper divisors (49171).

452047889 is a wasteful number, since it uses less digits than its factorization.

452047889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49170.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 452047889 is about 21261.4178501811. The cubic root of 452047889 is about 767.4701302271.

The spelling of 452047889 in words is "four hundred fifty-two million, forty-seven thousand, eight hundred eighty-nine".