873251 has 2 divisors, whose sum is σ = 873252. Its totient is φ = 873250.

The previous prime is 873247. The next prime is 873263. The reversal of 873251 is 152378.

873251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 873251 - 2² = 873247 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 873251.

It is not a weakly prime, because it can be changed into another prime (872251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436625 + 436626.

It is an arithmetic number, because the mean of its divisors is an integer number (436626).

2⁸⁷³²⁵¹ is an apocalyptic number.

873251 is the 500-th centered heptagonal number.

873251 is a deficient number, since it is larger than the sum of its proper divisors (1).

873251 is an equidigital number, since it uses as much as digits as its factorization.

873251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 873251 is about 934.4789992290. The cubic root of 873251 is about 95.5827886944.

The spelling of 873251 in words is "eight hundred seventy-three thousand, two hundred fifty-one".