30025147 has 2 divisors, whose sum is σ = 30025148. Its totient is φ = 30025146.

The previous prime is 30025133. The next prime is 30025153. The reversal of 30025147 is 74152003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30025147 is a prime.

It is not a weakly prime, because it can be changed into another prime (30025747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15012573 + 15012574.

It is an arithmetic number, because the mean of its divisors is an integer number (15012574).

Almost surely, 2^30025147 is an apocalyptic number.

30025147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30025147 is an equidigital number, since it uses as much as digits as its factorization.

30025147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 30025147 is about 5479.5206907174. The cubic root of 30025147 is about 310.8100458770.

The spelling of 30025147 in words is "thirty million, twenty-five thousand, one hundred forty-seven".