859342613 has 2 divisors, whose sum is σ = 859342614. Its totient is φ = 859342612.

The previous prime is 859342591. The next prime is 859342709. The reversal of 859342613 is 316243958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604078084 + 255264529 = 24578^2 + 15977^2 .

It is a cyclic number.

It is not a de Polignac number, because 859342613 - 2²² = 855148309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (859342213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429671306 + 429671307.

It is an arithmetic number, because the mean of its divisors is an integer number (429671307).

Almost surely, 2^859342613 is an apocalyptic number.

It is an amenable number.

859342613 is a deficient number, since it is larger than the sum of its proper divisors (1).

859342613 is an equidigital number, since it uses as much as digits as its factorization.

859342613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 859342613 is about 29314.5460991638. The cubic root of 859342613 is about 950.7261716491.

The spelling of 859342613 in words is "eight hundred fifty-nine million, three hundred forty-two thousand, six hundred thirteen".