340065613 has 2 divisors, whose sum is σ = 340065614. Its totient is φ = 340065612.

The previous prime is 340065599. The next prime is 340065619. The reversal of 340065613 is 316560043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336428964 + 3636649 = 18342^2 + 1907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340065613 is a prime.

It is a super-2 number, since 2×340065613² = 231289242290131538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340065619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170032806 + 170032807.

It is an arithmetic number, because the mean of its divisors is an integer number (170032807).

Almost surely, 2^340065613 is an apocalyptic number.

It is an amenable number.

340065613 is a deficient number, since it is larger than the sum of its proper divisors (1).

340065613 is an equidigital number, since it uses as much as digits as its factorization.

340065613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 340065613 is about 18440.8680110238. The cubic root of 340065613 is about 697.9980986694.

The spelling of 340065613 in words is "three hundred forty million, sixty-five thousand, six hundred thirteen".