696181 has 2 divisors, whose sum is σ = 696182. Its totient is φ = 696180.

The previous prime is 696149. The next prime is 696239. The reversal of 696181 is 181696.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 625 = 834^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 696181 - 2⁵ = 696149 is a prime.

It is a super-2 number, since 2×696181² = 969335969522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348090 + 348091.

It is an arithmetic number, because the mean of its divisors is an integer number (348091).

2⁶⁹⁶¹⁸¹ is an apocalyptic number.

It is an amenable number.

696181 is a deficient number, since it is larger than the sum of its proper divisors (1).

696181 is an equidigital number, since it uses as much as digits as its factorization.

696181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 696181 is about 834.3746161048. The cubic root of 696181 is about 88.6286339483.

The spelling of 696181 in words is "six hundred ninety-six thousand, one hundred eighty-one".