372217801 has 2 divisors, whose sum is σ = 372217802. Its totient is φ = 372217800.

The previous prime is 372217799. The next prime is 372217829. The reversal of 372217801 is 108712273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358117776 + 14100025 = 18924^2 + 3755^2 .

It is an emirp because it is prime and its reverse (108712273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 372217801 - 2¹ = 372217799 is a prime.

Together with 372217799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (372217831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186108900 + 186108901.

It is an arithmetic number, because the mean of its divisors is an integer number (186108901).

Almost surely, 2^372217801 is an apocalyptic number.

It is an amenable number.

372217801 is a deficient number, since it is larger than the sum of its proper divisors (1).

372217801 is an equidigital number, since it uses as much as digits as its factorization.

372217801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 372217801 is about 19292.9469236817. The cubic root of 372217801 is about 719.3369674184.

The spelling of 372217801 in words is "three hundred seventy-two million, two hundred seventeen thousand, eight hundred one".