697005 has 20 divisors (see below), whose sum is σ = 1250172. Its totient is φ = 371520.

The previous prime is 696991. The next prime is 697009. The reversal of 697005 is 500796.

697005 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 385641 + 311364 = 621^2 + 558^2 .

It is not a de Polignac number, because 697005 - 2⁴ = 696989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

697005 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 697005.

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 697005.

It is not an unprimeable number, because it can be changed into a prime (697009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 456 + ... + 1265.

2⁶⁹⁷⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

697005 is a deficient number, since it is larger than the sum of its proper divisors (553167).

697005 is a wasteful number, since it uses less digits than its factorization.

697005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 697005 is about 834.8682530795. The cubic root of 697005 is about 88.6635871193.

The spelling of 697005 in words is "six hundred ninety-seven thousand, five".