859513 has 2 divisors, whose sum is σ = 859514. Its totient is φ = 859512.

The previous prime is 859493. The next prime is 859553. The reversal of 859513 is 315958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822649 + 36864 = 907^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 859513 - 2¹³ = 851321 is a prime.

It is not a weakly prime, because it can be changed into another prime (859553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429756 + 429757.

It is an arithmetic number, because the mean of its divisors is an integer number (429757).

2⁸⁵⁹⁵¹³ is an apocalyptic number.

It is an amenable number.

859513 is a deficient number, since it is larger than the sum of its proper divisors (1).

859513 is an equidigital number, since it uses as much as digits as its factorization.

859513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 31.

The square root of 859513 is about 927.0992395639. The cubic root of 859513 is about 95.0789002885.

The spelling of 859513 in words is "eight hundred fifty-nine thousand, five hundred thirteen".