19342273 has 2 divisors, whose sum is σ = 19342274. Its totient is φ = 19342272.

The previous prime is 19342261. The next prime is 19342289. The reversal of 19342273 is 37224391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12623809 + 6718464 = 3553^2 + 2592^2 .

It is a cyclic number.

It is not a de Polignac number, because 19342273 - 2¹⁷ = 19211201 is a prime.

It is a zygodrome in base 11.

It is not a weakly prime, because it can be changed into another prime (19342223) 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, 9671136 + 9671137.

It is an arithmetic number, because the mean of its divisors is an integer number (9671137).

Almost surely, 2^19342273 is an apocalyptic number.

It is an amenable number.

19342273 is a deficient number, since it is larger than the sum of its proper divisors (1).

19342273 is an equidigital number, since it uses as much as digits as its factorization.

19342273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 19342273 is about 4397.9851068415. The cubic root of 19342273 is about 268.4329574484.

The spelling of 19342273 in words is "nineteen million, three hundred forty-two thousand, two hundred seventy-three".