30500147 has 4 divisors (see below), whose sum is σ = 30532656. Its totient is φ = 30467640.

The previous prime is 30500117. The next prime is 30500177. The reversal of 30500147 is 74100503.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74100503 = 23 ⋅3221761.

It is an interprime number because it is at equal distance from previous prime (30500117) and next prime (30500177).

It is a cyclic number.

It is not a de Polignac number, because 30500147 - 2¹⁶ = 30434611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30500117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14804 + ... + 16737.

It is an arithmetic number, because the mean of its divisors is an integer number (7633164).

Almost surely, 2^30500147 is an apocalyptic number.

30500147 is a deficient number, since it is larger than the sum of its proper divisors (32509).

30500147 is an equidigital number, since it uses as much as digits as its factorization.

30500147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32508.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 30500147 is about 5522.6938173323. The cubic root of 30500147 is about 312.4404904283.

The spelling of 30500147 in words is "thirty million, five hundred thousand, one hundred forty-seven".