1345112653 has 2 divisors, whose sum is σ = 1345112654. Its totient is φ = 1345112652.

The previous prime is 1345112617. The next prime is 1345112663. The reversal of 1345112653 is 3562115431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162673604 + 182439049 = 34098^2 + 13507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345112653 - 2⁹ = 1345112141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345112663) 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, 672556326 + 672556327.

It is an arithmetic number, because the mean of its divisors is an integer number (672556327).

Almost surely, 2^1345112653 is an apocalyptic number.

It is an amenable number.

1345112653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345112653 is an equidigital number, since it uses as much as digits as its factorization.

1345112653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 1345112653 is about 36675.7774696052. Note that the first 3 decimals coincide. The cubic root of 1345112653 is about 1103.8741227889.

The spelling of 1345112653 in words is "one billion, three hundred forty-five million, one hundred twelve thousand, six hundred fifty-three".