1353313561 has 2 divisors, whose sum is σ = 1353313562. Its totient is φ = 1353313560.

The previous prime is 1353313541. The next prime is 1353313571. The reversal of 1353313561 is 1653133531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1283072400 + 70241161 = 35820^2 + 8381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353313561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1353313541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676656780 + 676656781.

It is an arithmetic number, because the mean of its divisors is an integer number (676656781).

Almost surely, 2^1353313561 is an apocalyptic number.

It is an amenable number.

1353313561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353313561 is an equidigital number, since it uses as much as digits as its factorization.

1353313561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 31.

The square root of 1353313561 is about 36787.4103600675. The cubic root of 1353313561 is about 1106.1129524929.

The spelling of 1353313561 in words is "one billion, three hundred fifty-three million, three hundred thirteen thousand, five hundred sixty-one".