372317213 has 2 divisors, whose sum is σ = 372317214. Its totient is φ = 372317212.

The previous prime is 372317203. The next prime is 372317233. The reversal of 372317213 is 312713273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251603044 + 120714169 = 15862^2 + 10987^2 .

It is a cyclic number.

It is not a de Polignac number, because 372317213 - 2¹⁸ = 372055069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372317203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186158606 + 186158607.

It is an arithmetic number, because the mean of its divisors is an integer number (186158607).

Almost surely, 2^372317213 is an apocalyptic number.

It is an amenable number.

372317213 is a deficient number, since it is larger than the sum of its proper divisors (1).

372317213 is an equidigital number, since it uses as much as digits as its factorization.

372317213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 29.

The square root of 372317213 is about 19295.5231336183. The cubic root of 372317213 is about 719.4010019353.

It can be divided in two parts, 37231 and 7213, that added together give a palindrome (44444).

The spelling of 372317213 in words is "three hundred seventy-two million, three hundred seventeen thousand, two hundred thirteen".