30849025 has 12 divisors (see below), whose sum is σ = 38716272. Its totient is φ = 24380240.

The previous prime is 30849019. The next prime is 30849031. The reversal of 30849025 is 52094803.

It is an interprime number because it is at equal distance from previous prime (30849019) and next prime (30849031).

It is not a de Polignac number, because 30849025 - 2¹⁹ = 30324737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5359 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (3226356).

Almost surely, 2^30849025 is an apocalyptic number.

It is an amenable number.

30849025 is a deficient number, since it is larger than the sum of its proper divisors (7867247).

30849025 is a wasteful number, since it uses less digits than its factorization.

30849025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14960 (or 14955 counting only the distinct ones).

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

The square root of 30849025 is about 5554.1898599166. The cubic root of 30849025 is about 313.6272674352.

The spelling of 30849025 in words is "thirty million, eight hundred forty-nine thousand, twenty-five".