452219013 has 12 divisors (see below), whose sum is σ = 662154220. Its totient is φ = 297349056.

The previous prime is 452218973. The next prime is 452219051. The reversal of 452219013 is 310912254.

It can be written as a sum of positive squares in 2 ways, for example, as 160731684 + 291487329 = 12678^2 + 17073^2 .

It is not a de Polignac number, because 452219013 - 2⁸ = 452218757 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 (452219083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343498 + ... + 344811.

Almost surely, 2^452219013 is an apocalyptic number.

It is an amenable number.

452219013 is a deficient number, since it is larger than the sum of its proper divisors (209935207).

452219013 is a wasteful number, since it uses less digits than its factorization.

452219013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688388 (or 688385 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 452219013 is about 21265.4417541701. The cubic root of 452219013 is about 767.5669606685.

The spelling of 452219013 in words is "four hundred fifty-two million, two hundred nineteen thousand, thirteen".