30850957 has 2 divisors, whose sum is σ = 30850958. Its totient is φ = 30850956.

The previous prime is 30850949. The next prime is 30850973. The reversal of 30850957 is 75905803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28451556 + 2399401 = 5334^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 30850957 - 2³ = 30850949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30850987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15425478 + 15425479.

It is an arithmetic number, because the mean of its divisors is an integer number (15425479).

Almost surely, 2^30850957 is an apocalyptic number.

It is an amenable number.

30850957 is a deficient number, since it is larger than the sum of its proper divisors (1).

30850957 is an equidigital number, since it uses as much as digits as its factorization.

30850957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 30850957 is about 5554.3637799482. The cubic root of 30850957 is about 313.6338145382.

The spelling of 30850957 in words is "thirty million, eight hundred fifty thousand, nine hundred fifty-seven".