1611352013 has 2 divisors, whose sum is σ = 1611352014. Its totient is φ = 1611352012.

The previous prime is 1611351991. The next prime is 1611352033. The reversal of 1611352013 is 3102531161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884348644 + 727003369 = 29738^2 + 26963^2 .

It is a cyclic number.

It is not a de Polignac number, because 1611352013 - 2¹⁰ = 1611350989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1611352013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1611352033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805676006 + 805676007.

It is an arithmetic number, because the mean of its divisors is an integer number (805676007).

Almost surely, 2^1611352013 is an apocalyptic number.

It is an amenable number.

1611352013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611352013 is an equidigital number, since it uses as much as digits as its factorization.

1611352013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1611352013 is about 40141.6493557502. The cubic root of 1611352013 is about 1172.3667030072.

Adding to 1611352013 its reverse (3102531161), we get a palindrome (4713883174).

The spelling of 1611352013 in words is "one billion, six hundred eleven million, three hundred fifty-two thousand, thirteen".