30697 has 2 divisors, whose sum is σ = 30698. Its totient is φ = 30696.

The previous prime is 30689. The next prime is 30703. The reversal of 30697 is 79603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19881 + 10816 = 141^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 30697 - 2³ = 30689 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30697.

It is not a weakly prime, because it can be changed into another prime (30637) 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 as a sum of consecutive naturals, namely, 15348 + 15349.

It is an arithmetic number, because the mean of its divisors is an integer number (15349).

2³⁰⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

30697 is a deficient number, since it is larger than the sum of its proper divisors (1).

30697 is an equidigital number, since it uses as much as digits as its factorization.

30697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30697 is about 175.2055935180. The cubic root of 30697 is about 31.3111230359.

It can be divided in two parts, 30 and 697, that multiplied together give a triangular number (20910 = T₂₀₄).

The spelling of 30697 in words is "thirty thousand, six hundred ninety-seven".