30980245 has 16 divisors (see below), whose sum is σ = 38050560. Its totient is φ = 24208704.

The previous prime is 30980233. The next prime is 30980263. The reversal of 30980245 is 54208903.

It is a cyclic number.

It is not a de Polignac number, because 30980245 - 2⁹ = 30979733 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 41899 + ... + 42631.

It is an arithmetic number, because the mean of its divisors is an integer number (2378160).

Almost surely, 2^30980245 is an apocalyptic number.

It is an amenable number.

30980245 is a deficient number, since it is larger than the sum of its proper divisors (7070315).

30980245 is a wasteful number, since it uses less digits than its factorization.

30980245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 30980245 is about 5565.9900287370. The cubic root of 30980245 is about 314.0713220544.

The spelling of 30980245 in words is "thirty million, nine hundred eighty thousand, two hundred forty-five".