697271 has 2 divisors, whose sum is σ = 697272. Its totient is φ = 697270.

The previous prime is 697267. The next prime is 697303. The reversal of 697271 is 172796.

It is an a-pointer prime, because the next prime (697303) can be obtained adding 697271 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 697271 - 2² = 697267 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 697271.

It is not a weakly prime, because it can be changed into another prime (697201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348635 + 348636.

It is an arithmetic number, because the mean of its divisors is an integer number (348636).

2⁶⁹⁷²⁷¹ is an apocalyptic number.

697271 is a deficient number, since it is larger than the sum of its proper divisors (1).

697271 is an equidigital number, since it uses as much as digits as its factorization.

697271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 697271 is about 835.0275444559. The cubic root of 697271 is about 88.6748646637.

The spelling of 697271 in words is "six hundred ninety-seven thousand, two hundred seventy-one".