697069 has 2 divisors, whose sum is σ = 697070. Its totient is φ = 697068.

The previous prime is 697063. The next prime is 697079. The reversal of 697069 is 960796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660969 + 36100 = 813^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 697069 - 2¹¹ = 695021 is a prime.

It is a super-2 number, since 2×697069² = 971810381522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697063) 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 as a sum of consecutive naturals, namely, 348534 + 348535.

It is an arithmetic number, because the mean of its divisors is an integer number (348535).

2⁶⁹⁷⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

697069 is a deficient number, since it is larger than the sum of its proper divisors (1).

697069 is an equidigital number, since it uses as much as digits as its factorization.

697069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 697069 is about 834.9065816006. The cubic root of 697069 is about 88.6663007755. Note that the first 3 decimals are identical.

The spelling of 697069 in words is "six hundred ninety-seven thousand, sixty-nine".