1045406213 has 2 divisors, whose sum is σ = 1045406214. Its totient is φ = 1045406212.

The previous prime is 1045406203. The next prime is 1045406249. The reversal of 1045406213 is 3126045401.

1045406213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 878944609 + 166461604 = 29647^2 + 12902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045406213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045406203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522703106 + 522703107.

It is an arithmetic number, because the mean of its divisors is an integer number (522703107).

Almost surely, 2^1045406213 is an apocalyptic number.

It is an amenable number.

1045406213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045406213 is an equidigital number, since it uses as much as digits as its factorization.

1045406213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1045406213 is about 32332.7421200244. The cubic root of 1045406213 is about 1014.9119332781.

The spelling of 1045406213 in words is "one billion, forty-five million, four hundred six thousand, two hundred thirteen".