30275005 has 4 divisors (see below), whose sum is σ = 36330012. Its totient is φ = 24220000.

The previous prime is 30274987. The next prime is 30275023. The reversal of 30275005 is 50057203.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30274987) and next prime (30275023).

It can be written as a sum of positive squares in 2 ways, for example, as 3463321 + 26811684 = 1861^2 + 5178^2 .

It is not a de Polignac number, because 30275005 - 2¹⁹ = 29750717 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027496 + ... + 3027505.

It is an arithmetic number, because the mean of its divisors is an integer number (9082503).

Almost surely, 2^30275005 is an apocalyptic number.

It is an amenable number.

30275005 is a deficient number, since it is larger than the sum of its proper divisors (6055007).

30275005 is an equidigital number, since it uses as much as digits as its factorization.

30275005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055006.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 30275005 is about 5502.2727122526. The cubic root of 30275005 is about 311.6698135491.

The spelling of 30275005 in words is "thirty million, two hundred seventy-five thousand, five".