694541 has 2 divisors, whose sum is σ = 694542. Its totient is φ = 694540.

The previous prime is 694523. The next prime is 694549. The reversal of 694541 is 145496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 126025 = 754^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 694541 - 2¹⁴ = 678157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694541.

It is not a weakly prime, because it can be changed into another prime (694549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347270 + 347271.

It is an arithmetic number, because the mean of its divisors is an integer number (347271).

2⁶⁹⁴⁵⁴¹ is an apocalyptic number.

It is an amenable number.

694541 is a deficient number, since it is larger than the sum of its proper divisors (1).

694541 is an equidigital number, since it uses as much as digits as its factorization.

694541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 694541 is about 833.3912646530. The cubic root of 694541 is about 88.5589847986.

The spelling of 694541 in words is "six hundred ninety-four thousand, five hundred forty-one".