30497 has 2 divisors, whose sum is σ = 30498. Its totient is φ = 30496.

The previous prime is 30493. The next prime is 30509. The reversal of 30497 is 79403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28561 + 1936 = 169^2 + 44^2 .

It is a cyclic number.

It is not a de Polignac number, because 30497 - 2² = 30493 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (30491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15248 + 15249.

It is an arithmetic number, because the mean of its divisors is an integer number (15249).

2³⁰⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

30497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497 is an equidigital number, since it uses as much as digits as its factorization.

30497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30497 is about 174.6339027795. The cubic root of 30497 is about 31.2429744206.

The spelling of 30497 in words is "thirty thousand, four hundred ninety-seven".