1361601583 has 2 divisors, whose sum is σ = 1361601584. Its totient is φ = 1361601582.

The previous prime is 1361601511. The next prime is 1361601607. The reversal of 1361601583 is 3851061631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361601583 - 2¹³ = 1361593391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361608583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680800791 + 680800792.

It is an arithmetic number, because the mean of its divisors is an integer number (680800792).

Almost surely, 2^1361601583 is an apocalyptic number.

1361601583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361601583 is an equidigital number, since it uses as much as digits as its factorization.

1361601583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1361601583 is about 36899.8859483332. The cubic root of 1361601583 is about 1108.3663936068.

The spelling of 1361601583 in words is "one billion, three hundred sixty-one million, six hundred one thousand, five hundred eighty-three".