378106273 has 2 divisors, whose sum is σ = 378106274. Its totient is φ = 378106272.

The previous prime is 378106229. The next prime is 378106277. The reversal of 378106273 is 372601873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360734049 + 17372224 = 18993^2 + 4168^2 .

It is a cyclic number.

It is not a de Polignac number, because 378106273 - 2¹⁷ = 377975201 is a prime.

It is not a weakly prime, because it can be changed into another prime (378106277) 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, 189053136 + 189053137.

It is an arithmetic number, because the mean of its divisors is an integer number (189053137).

Almost surely, 2^378106273 is an apocalyptic number.

It is an amenable number.

378106273 is a deficient number, since it is larger than the sum of its proper divisors (1).

378106273 is an equidigital number, since it uses as much as digits as its factorization.

378106273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 378106273 is about 19444.9549498064. The cubic root of 378106273 is about 723.1104329692.

The spelling of 378106273 in words is "three hundred seventy-eight million, one hundred six thousand, two hundred seventy-three".