1344614561 has 2 divisors, whose sum is σ = 1344614562. Its totient is φ = 1344614560.

The previous prime is 1344614549. The next prime is 1344614563. The reversal of 1344614561 is 1654164431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1335463936 + 9150625 = 36544^2 + 3025^2 .

It is an emirp because it is prime and its reverse (1654164431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1344614561 - 2³⁰ = 270872737 is a prime.

Together with 1344614563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1344614563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672307280 + 672307281.

It is an arithmetic number, because the mean of its divisors is an integer number (672307281).

Almost surely, 2^1344614561 is an apocalyptic number.

It is an amenable number.

1344614561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344614561 is an equidigital number, since it uses as much as digits as its factorization.

1344614561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 1344614561 is about 36668.9863645015. The cubic root of 1344614561 is about 1103.7378519843.

Adding to 1344614561 its reverse (1654164431), we get a palindrome (2998778992).

The spelling of 1344614561 in words is "one billion, three hundred forty-four million, six hundred fourteen thousand, five hundred sixty-one".