1343025513 has 12 divisors (see below), whose sum is σ = 1943743620. Its totient is φ = 893588256.

The previous prime is 1343025503. The next prime is 1343025553. The reversal of 1343025513 is 3155203431.

It can be written as a sum of positive squares in 2 ways, for example, as 522031104 + 820994409 = 22848^2 + 28653^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1343025513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343025503) 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 in 11 ways as a sum of consecutive naturals, for example, 142006 + ... + 151167.

It is an arithmetic number, because the mean of its divisors is an integer number (161978635).

Almost surely, 2^1343025513 is an apocalyptic number.

It is an amenable number.

1343025513 is a deficient number, since it is larger than the sum of its proper divisors (600718107).

1343025513 is a wasteful number, since it uses less digits than its factorization.

1343025513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293688 (or 293685 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1343025513 is about 36647.3124935513. The cubic root of 1343025513 is about 1103.3028862476.

Adding to 1343025513 its reverse (3155203431), we get a palindrome (4498228944).

The spelling of 1343025513 in words is "one billion, three hundred forty-three million, twenty-five thousand, five hundred thirteen".