30195497 has 2 divisors, whose sum is σ = 30195498. Its totient is φ = 30195496.

The previous prime is 30195463. The next prime is 30195509. The reversal of 30195497 is 79459103.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25512601 + 4682896 = 5051^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 30195497 - 2⁸ = 30195241 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30195497.

It is not a weakly prime, because it can be changed into another prime (30195097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15097748 + 15097749.

It is an arithmetic number, because the mean of its divisors is an integer number (15097749).

Almost surely, 2^30195497 is an apocalyptic number.

It is an amenable number.

30195497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30195497 is an equidigital number, since it uses as much as digits as its factorization.

30195497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 30195497 is about 5495.0429479668. The cubic root of 30195497 is about 311.3967393547.

The spelling of 30195497 in words is "thirty million, one hundred ninety-five thousand, four hundred ninety-seven".