30613005 has 32 divisors (see below), whose sum is σ = 57628800. Its totient is φ = 15365376.

The previous prime is 30613001. The next prime is 30613043. The reversal of 30613005 is 50031603.

It is not a de Polignac number, because 30613005 - 2² = 30613001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30613001) 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 31 ways as a sum of consecutive naturals, for example, 4375 + ... + 8964.

It is an arithmetic number, because the mean of its divisors is an integer number (1800900).

Almost surely, 2^30613005 is an apocalyptic number.

It is an amenable number.

30613005 is a deficient number, since it is larger than the sum of its proper divisors (27015795).

30613005 is a wasteful number, since it uses less digits than its factorization.

30613005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13370 (or 13364 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30613005 is about 5532.9020414246. The cubic root of 30613005 is about 312.8253848149.

Adding to 30613005 its reverse (50031603), we get a palindrome (80644608).

The spelling of 30613005 in words is "thirty million, six hundred thirteen thousand, five".