1042304213 has 2 divisors, whose sum is σ = 1042304214. Its totient is φ = 1042304212.

The previous prime is 1042304209. The next prime is 1042304257. The reversal of 1042304213 is 3124032401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879537649 + 162766564 = 29657^2 + 12758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042304213 - 2² = 1042304209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042304273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521152106 + 521152107.

It is an arithmetic number, because the mean of its divisors is an integer number (521152107).

Almost surely, 2^1042304213 is an apocalyptic number.

It is an amenable number.

1042304213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042304213 is an equidigital number, since it uses as much as digits as its factorization.

1042304213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1042304213 is about 32284.7365329191. The cubic root of 1042304213 is about 1013.9071003153.

Adding to 1042304213 its reverse (3124032401), we get a palindrome (4166336614).

The spelling of 1042304213 in words is "one billion, forty-two million, three hundred four thousand, two hundred thirteen".