30026957 has 2 divisors, whose sum is σ = 30026958. Its totient is φ = 30026956.

The previous prime is 30026923. The next prime is 30026963. The reversal of 30026957 is 75962003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18541636 + 11485321 = 4306^2 + 3389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30026957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30026917) 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, 15013478 + 15013479.

It is an arithmetic number, because the mean of its divisors is an integer number (15013479).

Almost surely, 2^30026957 is an apocalyptic number.

It is an amenable number.

30026957 is a deficient number, since it is larger than the sum of its proper divisors (1).

30026957 is an equidigital number, since it uses as much as digits as its factorization.

30026957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 30026957 is about 5479.6858486596. The cubic root of 30026957 is about 310.8162912517.

The spelling of 30026957 in words is "thirty million, twenty-six thousand, nine hundred fifty-seven".