30883649 has 2 divisors, whose sum is σ = 30883650. Its totient is φ = 30883648.

The previous prime is 30883639. The next prime is 30883681. The reversal of 30883649 is 94638803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24930049 + 5953600 = 4993^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 30883649 - 2⁸ = 30883393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30883639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15441824 + 15441825.

It is an arithmetic number, because the mean of its divisors is an integer number (15441825).

Almost surely, 2^30883649 is an apocalyptic number.

It is an amenable number.

30883649 is a deficient number, since it is larger than the sum of its proper divisors (1).

30883649 is an equidigital number, since it uses as much as digits as its factorization.

30883649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 30883649 is about 5557.3059120405. The cubic root of 30883649 is about 313.7445587751.

The spelling of 30883649 in words is "thirty million, eight hundred eighty-three thousand, six hundred forty-nine".