30157097 has 2 divisors, whose sum is σ = 30157098. Its totient is φ = 30157096.

The previous prime is 30157087. The next prime is 30157111. The reversal of 30157097 is 79075103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 8404201 = 4664^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 30157097 - 2⁴ = 30157081 is a prime.

It is not a weakly prime, because it can be changed into another prime (30157007) 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, 15078548 + 15078549.

It is an arithmetic number, because the mean of its divisors is an integer number (15078549).

Almost surely, 2^30157097 is an apocalyptic number.

It is an amenable number.

30157097 is a deficient number, since it is larger than the sum of its proper divisors (1).

30157097 is an equidigital number, since it uses as much as digits as its factorization.

30157097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 30157097 is about 5491.5477781769. The cubic root of 30157097 is about 311.2646809524.

The spelling of 30157097 in words is "thirty million, one hundred fifty-seven thousand, ninety-seven".