859051 has 2 divisors, whose sum is σ = 859052. Its totient is φ = 859050.

The previous prime is 859049. The next prime is 859057. The reversal of 859051 is 150958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 859051 - 2¹ = 859049 is a prime.

Together with 859049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (859057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429525 + 429526.

It is an arithmetic number, because the mean of its divisors is an integer number (429526).

2⁸⁵⁹⁰⁵¹ is an apocalyptic number.

859051 is the 415-th centered decagonal number.

859051 is a deficient number, since it is larger than the sum of its proper divisors (1).

859051 is an equidigital number, since it uses as much as digits as its factorization.

859051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 859051 is about 926.8500418083. The cubic root of 859051 is about 95.0618618320.

The spelling of 859051 in words is "eight hundred fifty-nine thousand, fifty-one".