859957013 has 2 divisors, whose sum is σ = 859957014. Its totient is φ = 859957012.

The previous prime is 859956971. The next prime is 859957031. The reversal of 859957013 is 310759958.

859957013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (859957031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623351089 + 236605924 = 24967^2 + 15382^2 .

It is a cyclic number.

It is not a de Polignac number, because 859957013 - 2¹² = 859952917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (859957093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429978506 + 429978507.

It is an arithmetic number, because the mean of its divisors is an integer number (429978507).

Almost surely, 2^859957013 is an apocalyptic number.

It is an amenable number.

859957013 is a deficient number, since it is larger than the sum of its proper divisors (1).

859957013 is an equidigital number, since it uses as much as digits as its factorization.

859957013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 859957013 is about 29325.0236658046. The cubic root of 859957013 is about 950.9526963578.

The spelling of 859957013 in words is "eight hundred fifty-nine million, nine hundred fifty-seven thousand, thirteen".