372146213 has 2 divisors, whose sum is σ = 372146214. Its totient is φ = 372146212.

The previous prime is 372146197. The next prime is 372146219. The reversal of 372146213 is 312641273.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228553924 + 143592289 = 15118^2 + 11983^2 .

It is a cyclic number.

It is not a de Polignac number, because 372146213 - 2⁴ = 372146197 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 (372146219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186073106 + 186073107.

It is an arithmetic number, because the mean of its divisors is an integer number (186073107).

Almost surely, 2^372146213 is an apocalyptic number.

It is an amenable number.

372146213 is a deficient number, since it is larger than the sum of its proper divisors (1).

372146213 is an equidigital number, since it uses as much as digits as its factorization.

372146213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 372146213 is about 19291.0915450630. The cubic root of 372146213 is about 719.2908481871.

Adding to 372146213 its reverse (312641273), we get a palindrome (684787486).

The spelling of 372146213 in words is "three hundred seventy-two million, one hundred forty-six thousand, two hundred thirteen".