340626613 has 2 divisors, whose sum is σ = 340626614. Its totient is φ = 340626612.

The previous prime is 340626599. The next prime is 340626653. The reversal of 340626613 is 316626043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272844324 + 67782289 = 16518^2 + 8233^2 .

It is a cyclic number.

It is not a de Polignac number, because 340626613 - 2⁵ = 340626581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340626653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170313306 + 170313307.

It is an arithmetic number, because the mean of its divisors is an integer number (170313307).

Almost surely, 2^340626613 is an apocalyptic number.

It is an amenable number.

340626613 is a deficient number, since it is larger than the sum of its proper divisors (1).

340626613 is an equidigital number, since it uses as much as digits as its factorization.

340626613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 340626613 is about 18456.0725236980. The cubic root of 340626613 is about 698.3817126837.

The spelling of 340626613 in words is "three hundred forty million, six hundred twenty-six thousand, six hundred thirteen".