694873 has 2 divisors, whose sum is σ = 694874. Its totient is φ = 694872.

The previous prime is 694871. The next prime is 694879. The reversal of 694873 is 378496.

694873 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 can be written as a sum of positive squares in only one way, i.e., 597529 + 97344 = 773^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 694873 - 2¹ = 694871 is a prime.

It is a super-2 number, since 2×694873² = 965696972258, which contains 22 as substring.

Together with 694871, it forms a pair of twin primes.

694873 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (694871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347436 + 347437.

It is an arithmetic number, because the mean of its divisors is an integer number (347437).

2⁶⁹⁴⁸⁷³ is an apocalyptic number.

It is an amenable number.

694873 is a deficient number, since it is larger than the sum of its proper divisors (1).

694873 is an equidigital number, since it uses as much as digits as its factorization.

694873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 694873 is about 833.5904270084. The cubic root of 694873 is about 88.5730933486.

It can be divided in two parts, 6948 and 73, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 694873 in words is "six hundred ninety-four thousand, eight hundred seventy-three".