868051 has 2 divisors, whose sum is σ = 868052. Its totient is φ = 868050.

The previous prime is 868039. The next prime is 868069. The reversal of 868051 is 150868.

It is a happy number.

868051 is nontrivially palindromic in base 8.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868051 - 2⁵ = 868019 is a prime.

868051 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (868081) 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 as a sum of consecutive naturals, namely, 434025 + 434026.

It is an arithmetic number, because the mean of its divisors is an integer number (434026).

2⁸⁶⁸⁰⁵¹ is an apocalyptic number.

868051 is a deficient number, since it is larger than the sum of its proper divisors (1).

868051 is an equidigital number, since it uses as much as digits as its factorization.

868051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 868051 is about 931.6925458540. The cubic root of 868051 is about 95.3926866719.

The spelling of 868051 in words is "eight hundred sixty-eight thousand, fifty-one".