697135 has 8 divisors (see below), whose sum is σ = 849456. Its totient is φ = 549120.

The previous prime is 697133. The next prime is 697141. The reversal of 697135 is 531796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 697135 - 2¹ = 697133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 697097 and 697106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697133) 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 in 7 ways as a sum of consecutive naturals, for example, 706 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (106182).

2⁶⁹⁷¹³⁵ is an apocalyptic number.

697135 is a deficient number, since it is larger than the sum of its proper divisors (152321).

697135 is a wasteful number, since it uses less digits than its factorization.

697135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its digits is 5670, while the sum is 31.

The square root of 697135 is about 834.9461060452. The cubic root of 697135 is about 88.6690990595.

The spelling of 697135 in words is "six hundred ninety-seven thousand, one hundred thirty-five".