1373565241 has 2 divisors, whose sum is σ = 1373565242. Its totient is φ = 1373565240.

The previous prime is 1373565239. The next prime is 1373565301. The reversal of 1373565241 is 1425653731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1302921216 + 70644025 = 36096^2 + 8405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373565241 - 2¹ = 1373565239 is a prime.

Together with 1373565239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1373565241.

It is not a weakly prime, because it can be changed into another prime (1373565341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686782620 + 686782621.

It is an arithmetic number, because the mean of its divisors is an integer number (686782621).

Almost surely, 2^1373565241 is an apocalyptic number.

It is an amenable number.

1373565241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373565241 is an equidigital number, since it uses as much as digits as its factorization.

1373565241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 1373565241 is about 37061.6410996599. The cubic root of 1373565241 is about 1111.6031378973.

The spelling of 1373565241 in words is "one billion, three hundred seventy-three million, five hundred sixty-five thousand, two hundred forty-one".