1375219 has 2 divisors, whose sum is σ = 1375220. Its totient is φ = 1375218.

The previous prime is 1375211. The next prime is 1375223. The reversal of 1375219 is 9125731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1375219 - 2³ = 1375211 is a prime.

It is a super-2 number, since 2×1375219² = 3782454595922, which contains 22 as substring.

It is a Chen prime.

1375219 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1375211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687609 + 687610.

It is an arithmetic number, because the mean of its divisors is an integer number (687610).

2^1375219 is an apocalyptic number.

1375219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375219 is an equidigital number, since it uses as much as digits as its factorization.

1375219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 28.

The square root of 1375219 is about 1172.6973181516. The cubic root of 1375219 is about 111.2049078713.

It can be divided in two parts, 137 and 5219, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 1375219 in words is "one million, three hundred seventy-five thousand, two hundred nineteen".