1912193 has 2 divisors, whose sum is σ = 1912194. Its totient is φ = 1912192.

The previous prime is 1912159. The next prime is 1912213. The reversal of 1912193 is 3912191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 452929 = 1208^2 + 673^2 .

It is a cyclic number.

It is not a de Polignac number, because 1912193 - 2⁶ = 1912129 is a prime.

It is a super-4 number, since 4×1912193⁴ (a number of 26 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1912133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956096 + 956097.

It is an arithmetic number, because the mean of its divisors is an integer number (956097).

2^1912193 is an apocalyptic number.

It is an amenable number.

1912193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912193 is an equidigital number, since it uses as much as digits as its factorization.

1912193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 26.

The square root of 1912193 is about 1382.8206680550. The cubic root of 1912193 is about 124.1206119206.

The spelling of 1912193 in words is "one million, nine hundred twelve thousand, one hundred ninety-three".