375224813 has 2 divisors, whose sum is σ = 375224814. Its totient is φ = 375224812.

The previous prime is 375224771. The next prime is 375224851. The reversal of 375224813 is 318422573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373339684 + 1885129 = 19322^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 375224813 - 2¹⁰ = 375223789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375224873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187612406 + 187612407.

It is an arithmetic number, because the mean of its divisors is an integer number (187612407).

Almost surely, 2^375224813 is an apocalyptic number.

It is an amenable number.

375224813 is a deficient number, since it is larger than the sum of its proper divisors (1).

375224813 is an equidigital number, since it uses as much as digits as its factorization.

375224813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 375224813 is about 19370.7205080245. The cubic root of 375224813 is about 721.2688614563.

The spelling of 375224813 in words is "three hundred seventy-five million, two hundred twenty-four thousand, eight hundred thirteen".