862913 has 2 divisors, whose sum is σ = 862914. Its totient is φ = 862912.

The previous prime is 862909. The next prime is 862919. The reversal of 862913 is 319268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529984 + 332929 = 728^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 862913 - 2² = 862909 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 (862919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431456 + 431457.

It is an arithmetic number, because the mean of its divisors is an integer number (431457).

2⁸⁶²⁹¹³ is an apocalyptic number.

It is an amenable number.

862913 is a deficient number, since it is larger than the sum of its proper divisors (1).

862913 is an equidigital number, since it uses as much as digits as its factorization.

862913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 862913 is about 928.9311061645. The cubic root of 862913 is about 95.2041041118.

The spelling of 862913 in words is "eight hundred sixty-two thousand, nine hundred thirteen".