1241613361 has 2 divisors, whose sum is σ = 1241613362. Its totient is φ = 1241613360.

The previous prime is 1241613353. The next prime is 1241613383. The reversal of 1241613361 is 1633161421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780867136 + 460746225 = 27944^2 + 21465^2 .

It is an emirp because it is prime and its reverse (1633161421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241613361 - 2³ = 1241613353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241613391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620806680 + 620806681.

It is an arithmetic number, because the mean of its divisors is an integer number (620806681).

Almost surely, 2^1241613361 is an apocalyptic number.

It is an amenable number.

1241613361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241613361 is an equidigital number, since it uses as much as digits as its factorization.

1241613361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 1241613361 is about 35236.5344635366. The cubic root of 1241613361 is about 1074.8028081788.

Adding to 1241613361 its reverse (1633161421), we get a palindrome (2874774782).

The spelling of 1241613361 in words is "one billion, two hundred forty-one million, six hundred thirteen thousand, three hundred sixty-one".