1355326243 has 16 divisors (see below), whose sum is σ = 1418462784. Its totient is φ = 1293701760.

The previous prime is 1355326237. The next prime is 1355326253. The reversal of 1355326243 is 3426235531.

It is a cyclic number.

It is not a de Polignac number, because 1355326243 - 2²⁹ = 818455331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355326199 and 1355326208.

It is not an unprimeable number, because it can be changed into a prime (1355326213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527546 + ... + 1528432.

It is an arithmetic number, because the mean of its divisors is an integer number (88653924).

Almost surely, 2^1355326243 is an apocalyptic number.

1355326243 is a deficient number, since it is larger than the sum of its proper divisors (63136541).

1355326243 is an equidigital number, since it uses as much as digits as its factorization.

1355326243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 64800, while the sum is 34.

The square root of 1355326243 is about 36814.7557780844. The cubic root of 1355326243 is about 1106.6610272228.

The spelling of 1355326243 in words is "one billion, three hundred fifty-five million, three hundred twenty-six thousand, two hundred forty-three".