862006913 has 4 divisors (see below), whose sum is σ = 912713220. Its totient is φ = 811300608.

The previous prime is 862006891. The next prime is 862006973. The reversal of 862006913 is 319600268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 320839744 + 541167169 = 17912^2 + 23263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-862006913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (862006973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25353128 + ... + 25353161.

It is an arithmetic number, because the mean of its divisors is an integer number (228178305).

Almost surely, 2^862006913 is an apocalyptic number.

It is an amenable number.

862006913 is a deficient number, since it is larger than the sum of its proper divisors (50706307).

862006913 is a wasteful number, since it uses less digits than its factorization.

862006913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50706306.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 862006913 is about 29359.9542404276. The cubic root of 862006913 is about 951.7076996275.

The spelling of 862006913 in words is "eight hundred sixty-two million, six thousand, nine hundred thirteen".