1042052213 has 16 divisors (see below), whose sum is σ = 1117560240. Its totient is φ = 971557888.

The previous prime is 1042052177. The next prime is 1042052233. The reversal of 1042052213 is 3122502401.

It can be written as a sum of positive squares in 8 ways, for example, as 46144849 + 995907364 = 6793^2 + 31558^2 .

It is not a de Polignac number, because 1042052213 - 2¹⁰ = 1042051189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042052233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554231 + ... + 556107.

It is an arithmetic number, because the mean of its divisors is an integer number (69847515).

Almost surely, 2^1042052213 is an apocalyptic number.

It is an amenable number.

1042052213 is a deficient number, since it is larger than the sum of its proper divisors (75508027).

1042052213 is an equidigital number, since it uses as much as digits as its factorization.

1042052213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1042052213 is about 32280.8335239349. The cubic root of 1042052213 is about 1013.8253822717.

Adding to 1042052213 its reverse (3122502401), we get a palindrome (4164554614).

The spelling of 1042052213 in words is "one billion, forty-two million, fifty-two thousand, two hundred thirteen".