1353666241 has 2 divisors, whose sum is σ = 1353666242. Its totient is φ = 1353666240.

The previous prime is 1353666217. The next prime is 1353666247. The reversal of 1353666241 is 1426663531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 928481841 + 425184400 = 30471^2 + 20620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353666241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1353666241.

It is not a weakly prime, because it can be changed into another prime (1353666247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676833120 + 676833121.

It is an arithmetic number, because the mean of its divisors is an integer number (676833121).

Almost surely, 2^1353666241 is an apocalyptic number.

It is an amenable number.

1353666241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353666241 is an equidigital number, since it uses as much as digits as its factorization.

1353666241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 1353666241 is about 36792.2035355318. The cubic root of 1353666241 is about 1106.2090302594.

The spelling of 1353666241 in words is "one billion, three hundred fifty-three million, six hundred sixty-six thousand, two hundred forty-one".