375305213 has 2 divisors, whose sum is σ = 375305214. Its totient is φ = 375305212.

The previous prime is 375305197. The next prime is 375305239. The reversal of 375305213 is 312503573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374732164 + 573049 = 19358^2 + 757^2 .

It is an emirp because it is prime and its reverse (312503573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375305213 - 2⁴ = 375305197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375305263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187652606 + 187652607.

It is an arithmetic number, because the mean of its divisors is an integer number (187652607).

Almost surely, 2^375305213 is an apocalyptic number.

It is an amenable number.

375305213 is a deficient number, since it is larger than the sum of its proper divisors (1).

375305213 is an equidigital number, since it uses as much as digits as its factorization.

375305213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 375305213 is about 19372.7956939622. The cubic root of 375305213 is about 721.3203735748.

Adding to 375305213 its reverse (312503573), we get a palindrome (687808786).

The spelling of 375305213 in words is "three hundred seventy-five million, three hundred five thousand, two hundred thirteen".