1044035213 has 4 divisors (see below), whose sum is σ = 1124345628. Its totient is φ = 963724800.

The previous prime is 1044035203. The next prime is 1044035231. The reversal of 1044035213 is 3125304401.

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 605258404 + 438776809 = 24602^2 + 20947^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044035213 - 2⁴ = 1044035197 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 (1044035203) 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, 40155188 + ... + 40155213.

It is an arithmetic number, because the mean of its divisors is an integer number (281086407).

Almost surely, 2^1044035213 is an apocalyptic number.

1044035213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1044035213 is a deficient number, since it is larger than the sum of its proper divisors (80310415).

1044035213 is an equidigital number, since it uses as much as digits as its factorization.

1044035213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80310414.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1044035213 is about 32311.5337457076. The cubic root of 1044035213 is about 1014.4680697804.

Adding to 1044035213 its reverse (3125304401), we get a palindrome (4169339614).

The spelling of 1044035213 in words is "one billion, forty-four million, thirty-five thousand, two hundred thirteen".