1302400213 has 2 divisors, whose sum is σ = 1302400214. Its totient is φ = 1302400212.

The previous prime is 1302400189. The next prime is 1302400261. The reversal of 1302400213 is 3120042031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1297656529 + 4743684 = 36023^2 + 2178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302400213 - 2⁹ = 1302399701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302400273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651200106 + 651200107.

It is an arithmetic number, because the mean of its divisors is an integer number (651200107).

Almost surely, 2^1302400213 is an apocalyptic number.

It is an amenable number.

1302400213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302400213 is an equidigital number, since it uses as much as digits as its factorization.

1302400213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1302400213 is about 36088.7823707035. The cubic root of 1302400213 is about 1092.0641560991.

Adding to 1302400213 its reverse (3120042031), we get a palindrome (4422442244).

The spelling of 1302400213 in words is "one billion, three hundred two million, four hundred thousand, two hundred thirteen".