694213 has 4 divisors (see below), whose sum is σ = 747628. Its totient is φ = 640800.

The previous prime is 694207. The next prime is 694223. The reversal of 694213 is 312496.

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 113569 + 580644 = 337^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 694213 - 2⁹ = 693701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26688 + ... + 26713.

It is an arithmetic number, because the mean of its divisors is an integer number (186907).

2⁶⁹⁴²¹³ is an apocalyptic number.

It is an amenable number.

694213 is a deficient number, since it is larger than the sum of its proper divisors (53415).

694213 is a wasteful number, since it uses less digits than its factorization.

694213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53414.

The product of its digits is 1296, while the sum is 25.

The square root of 694213 is about 833.1944550944. The cubic root of 694213 is about 88.5450418152.

The spelling of 694213 in words is "six hundred ninety-four thousand, two hundred thirteen".