1355219 has 2 divisors, whose sum is σ = 1355220. Its totient is φ = 1355218.

The previous prime is 1355191. The next prime is 1355243. The reversal of 1355219 is 9125531.

It is a strong prime.

It is an emirp because it is prime and its reverse (9125531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1355219 - 2¹² = 1351123 is a prime.

It is a super-2 number, since 2×1355219² = 3673237075922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1355269) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677609 + 677610.

It is an arithmetic number, because the mean of its divisors is an integer number (677610).

2^1355219 is an apocalyptic number.

1355219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355219 is an equidigital number, since it uses as much as digits as its factorization.

1355219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 1355219 is about 1164.1387374364. The cubic root of 1355219 is about 110.6631837503.

The spelling of 1355219 in words is "one million, three hundred fifty-five thousand, two hundred nineteen".