30000275 has 12 divisors (see below), whose sum is σ = 37274400. Its totient is φ = 23952480.

The previous prime is 30000251. The next prime is 30000277. The reversal of 30000275 is 57200003.

It is a de Polignac number, because none of the positive numbers 2^k-30000275 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30000277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17141 + ... + 18809.

It is an arithmetic number, because the mean of its divisors is an integer number (3106200).

Almost surely, 2^30000275 is an apocalyptic number.

30000275 is a deficient number, since it is larger than the sum of its proper divisors (7274125).

30000275 is a wasteful number, since it uses less digits than its factorization.

30000275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 30000275 is about 5477.2506789447. The cubic root of 30000275 is about 310.7242000246.

Adding to 30000275 its reverse (57200003), we get a palindrome (87200278).

The spelling of 30000275 in words is "thirty million, two hundred seventy-five", and thus it is an aban number.