697967 has 2 divisors, whose sum is σ = 697968. Its totient is φ = 697966.

The previous prime is 697951. The next prime is 697973. The reversal of 697967 is 769796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697967 - 2⁴ = 697951 is a prime.

It is a Chen prime.

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 697967.

It is not a weakly prime, because it can be changed into another prime (697937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348983 + 348984.

It is an arithmetic number, because the mean of its divisors is an integer number (348984).

2⁶⁹⁷⁹⁶⁷ is an apocalyptic number.

697967 is a deficient number, since it is larger than the sum of its proper divisors (1).

697967 is an equidigital number, since it uses as much as digits as its factorization.

697967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 697967 is about 835.4441932290. Note that the first 3 decimals coincide. The cubic root of 697967 is about 88.7043592610.

The spelling of 697967 in words is "six hundred ninety-seven thousand, nine hundred sixty-seven".