30349249 has 4 divisors (see below), whose sum is σ = 34684864. Its totient is φ = 26013636.

The previous prime is 30349243. The next prime is 30349261. The reversal of 30349249 is 94294303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94294303 = 181 ⋅520963.

It is a cyclic number.

It is not a de Polignac number, because 30349249 - 2¹¹ = 30347201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30349243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167797 + ... + 2167810.

It is an arithmetic number, because the mean of its divisors is an integer number (8671216).

Almost surely, 2^30349249 is an apocalyptic number.

It is an amenable number.

30349249 is a deficient number, since it is larger than the sum of its proper divisors (4335615).

30349249 is an equidigital number, since it uses as much as digits as its factorization.

30349249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335614.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 30349249 is about 5509.0152477553. The cubic root of 30349249 is about 311.9243769436.

The spelling of 30349249 in words is "thirty million, three hundred forty-nine thousand, two hundred forty-nine".