696571 has 4 divisors (see below), whose sum is σ = 698544. Its totient is φ = 694600.

The previous prime is 696569. The next prime is 696607. The reversal of 696571 is 175696.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 696571 - 2¹ = 696569 is a prime.

It is a super-3 number, since 3×696571³ = 1013952064703332233, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

696571 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (696271) 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 3 ways as a sum of consecutive naturals, for example, 295 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (174636).

2⁶⁹⁶⁵⁷¹ is an apocalyptic number.

696571 is a deficient number, since it is larger than the sum of its proper divisors (1973).

696571 is a wasteful number, since it uses less digits than its factorization.

696571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972.

The product of its digits is 11340, while the sum is 34.

The square root of 696571 is about 834.6082913559. The cubic root of 696571 is about 88.6451807538.

It can be divided in two parts, 6965 and 71, that multiplied together give a triangular number (494515 = T₉₉₄).

The spelling of 696571 in words is "six hundred ninety-six thousand, five hundred seventy-one".