1343952013 has 2 divisors, whose sum is σ = 1343952014. Its totient is φ = 1343952012.

The previous prime is 1343951989. The next prime is 1343952037. The reversal of 1343952013 is 3102593431.

1343952013 = 25922² + 25923².

It is a balanced prime because it is at equal distance from previous prime (1343951989) and next prime (1343952037).

It can be written as a sum of positive squares in only one way, i.e., 672001929 + 671950084 = 25923^2 + 25922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343952013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343952413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671976006 + 671976007.

It is an arithmetic number, because the mean of its divisors is an integer number (671976007).

Almost surely, 2^1343952013 is an apocalyptic number.

1343952013 is the 25923-rd centered square number.

It is an amenable number.

1343952013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343952013 is an equidigital number, since it uses as much as digits as its factorization.

1343952013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1343952013 is about 36659.9510774360. The cubic root of 1343952013 is about 1103.5565362201.

The spelling of 1343952013 in words is "one billion, three hundred forty-three million, nine hundred fifty-two thousand, thirteen".