860513 has 2 divisors, whose sum is σ = 860514. Its totient is φ = 860512.

The previous prime is 860507. The next prime is 860533. The reversal of 860513 is 315068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 183184 = 823^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 860513 - 2⁸ = 860257 is a prime.

It is not a weakly prime, because it can be changed into another prime (860533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430256 + 430257.

It is an arithmetic number, because the mean of its divisors is an integer number (430257).

2⁸⁶⁰⁵¹³ is an apocalyptic number.

It is an amenable number.

860513 is a deficient number, since it is larger than the sum of its proper divisors (1).

860513 is an equidigital number, since it uses as much as digits as its factorization.

860513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 860513 is about 927.6383993777. The cubic root of 860513 is about 95.1157591651.

The spelling of 860513 in words is "eight hundred sixty thousand, five hundred thirteen".