372118913 has 2 divisors, whose sum is σ = 372118914. Its totient is φ = 372118912.

The previous prime is 372118907. The next prime is 372118931. The reversal of 372118913 is 319811273.

It is a happy number.

Together with next prime (372118931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350700529 + 21418384 = 18727^2 + 4628^2 .

It is a cyclic number.

It is not a de Polignac number, because 372118913 - 2¹⁸ = 371856769 is a prime.

It is not a weakly prime, because it can be changed into another prime (372118973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186059456 + 186059457.

It is an arithmetic number, because the mean of its divisors is an integer number (186059457).

Almost surely, 2^372118913 is an apocalyptic number.

It is an amenable number.

372118913 is a deficient number, since it is larger than the sum of its proper divisors (1).

372118913 is an equidigital number, since it uses as much as digits as its factorization.

372118913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 372118913 is about 19290.3839515962. The cubic root of 372118913 is about 719.2732591145.

The spelling of 372118913 in words is "three hundred seventy-two million, one hundred eighteen thousand, nine hundred thirteen".