1355305219 has 2 divisors, whose sum is σ = 1355305220. Its totient is φ = 1355305218.

The previous prime is 1355305129. The next prime is 1355305247. The reversal of 1355305219 is 9125035531.

Together with previous prime (1355305129) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355305219 - 2¹¹ = 1355303171 is a prime.

It is a super-2 number, since 2×1355305219² = 3673704473297275922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1355305319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677652609 + 677652610.

It is an arithmetic number, because the mean of its divisors is an integer number (677652610).

Almost surely, 2^1355305219 is an apocalyptic number.

1355305219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355305219 is an equidigital number, since it uses as much as digits as its factorization.

1355305219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 1355305219 is about 36814.4702392959. The cubic root of 1355305219 is about 1106.6553049692.

The spelling of 1355305219 in words is "one billion, three hundred fifty-five million, three hundred five thousand, two hundred nineteen".