30703249 has 2 divisors, whose sum is σ = 30703250. Its totient is φ = 30703248.

The previous prime is 30703223. The next prime is 30703261. The reversal of 30703249 is 94230703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18766224 + 11937025 = 4332^2 + 3455^2 .

It is a cyclic number.

It is not a de Polignac number, because 30703249 - 2⁷ = 30703121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30703279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15351624 + 15351625.

It is an arithmetic number, because the mean of its divisors is an integer number (15351625).

Almost surely, 2^30703249 is an apocalyptic number.

It is an amenable number.

30703249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30703249 is an equidigital number, since it uses as much as digits as its factorization.

30703249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30703249 is about 5541.0512540492. The cubic root of 30703249 is about 313.1324756417.

The spelling of 30703249 in words is "thirty million, seven hundred three thousand, two hundred forty-nine".