1353215243 has 2 divisors, whose sum is σ = 1353215244. Its totient is φ = 1353215242.

The previous prime is 1353215221. The next prime is 1353215257. The reversal of 1353215243 is 3425123531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1353215243 - 2⁸ = 1353214987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1353215293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676607621 + 676607622.

It is an arithmetic number, because the mean of its divisors is an integer number (676607622).

Almost surely, 2^1353215243 is an apocalyptic number.

1353215243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353215243 is an equidigital number, since it uses as much as digits as its factorization.

1353215243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 1353215243 is about 36786.0740362437. The cubic root of 1353215243 is about 1106.0861655382.

Adding to 1353215243 its reverse (3425123531), we get a palindrome (4778338774).

The spelling of 1353215243 in words is "one billion, three hundred fifty-three million, two hundred fifteen thousand, two hundred forty-three".