1044533213 has 4 divisors (see below), whose sum is σ = 1054875228. Its totient is φ = 1034191200.

The previous prime is 1044533209. The next prime is 1044533249. The reversal of 1044533213 is 3123354401.

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 999950884 + 44582329 = 31622^2 + 6677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044533213 - 2² = 1044533209 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 (1044533263) 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, 5170856 + ... + 5171057.

It is an arithmetic number, because the mean of its divisors is an integer number (263718807).

Almost surely, 2^1044533213 is an apocalyptic number.

It is an amenable number.

1044533213 is a deficient number, since it is larger than the sum of its proper divisors (10342015).

1044533213 is a wasteful number, since it uses less digits than its factorization.

1044533213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342014.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1044533213 is about 32319.2390535421. The cubic root of 1044533213 is about 1014.6293430104.

Adding to 1044533213 its reverse (3123354401), we get a palindrome (4167887614).

The spelling of 1044533213 in words is "one billion, forty-four million, five hundred thirty-three thousand, two hundred thirteen".