1345232513 has 2 divisors, whose sum is σ = 1345232514. Its totient is φ = 1345232512.

The previous prime is 1345232489. The next prime is 1345232531. The reversal of 1345232513 is 3152325431.

It is a happy number.

Together with next prime (1345232531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710595649 + 634636864 = 26657^2 + 25192^2 .

It is an emirp because it is prime and its reverse (3152325431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345232513 - 2¹⁸ = 1344970369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345232563) 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, 672616256 + 672616257.

It is an arithmetic number, because the mean of its divisors is an integer number (672616257).

Almost surely, 2^1345232513 is an apocalyptic number.

It is an amenable number.

1345232513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345232513 is an equidigital number, since it uses as much as digits as its factorization.

1345232513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 1345232513 is about 36677.4114817281. The cubic root of 1345232513 is about 1103.9069097385.

Adding to 1345232513 its reverse (3152325431), we get a palindrome (4497557944).

The spelling of 1345232513 in words is "one billion, three hundred forty-five million, two hundred thirty-two thousand, five hundred thirteen".