697441 has 2 divisors, whose sum is σ = 697442. Its totient is φ = 697440.

The previous prime is 697423. The next prime is 697447. The reversal of 697441 is 144796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355216 + 342225 = 596^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 697441 - 2⁵ = 697409 is a prime.

697441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (697447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348720 + 348721.

It is an arithmetic number, because the mean of its divisors is an integer number (348721).

2⁶⁹⁷⁴⁴¹ is an apocalyptic number.

It is an amenable number.

697441 is a deficient number, since it is larger than the sum of its proper divisors (1).

697441 is an equidigital number, since it uses as much as digits as its factorization.

697441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 697441 is about 835.1293313014. The cubic root of 697441 is about 88.6820706147.

The spelling of 697441 in words is "six hundred ninety-seven thousand, four hundred forty-one".