30501085 has 4 divisors (see below), whose sum is σ = 36601308. Its totient is φ = 24400864.

The previous prime is 30501001. The next prime is 30501109. The reversal of 30501085 is 58010503.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18369796 + 12131289 = 4286^2 + 3483^2 .

It is a cyclic number.

It is not a de Polignac number, because 30501085 - 2⁹ = 30500573 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, 3050104 + ... + 3050113.

It is an arithmetic number, because the mean of its divisors is an integer number (9150327).

Almost surely, 2^30501085 is an apocalyptic number.

It is an amenable number.

30501085 is a deficient number, since it is larger than the sum of its proper divisors (6100223).

30501085 is an equidigital number, since it uses as much as digits as its factorization.

30501085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100222.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 30501085 is about 5522.7787390045. The cubic root of 30501085 is about 312.4436933219.

Adding to 30501085 its reverse (58010503), we get a palindrome (88511588).

The spelling of 30501085 in words is "thirty million, five hundred one thousand, eighty-five".