30516049 has 2 divisors, whose sum is σ = 30516050. Its totient is φ = 30516048.

The previous prime is 30516047. The next prime is 30516061. The reversal of 30516049 is 94061503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28998225 + 1517824 = 5385^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 30516049 - 2¹ = 30516047 is a prime.

Together with 30516047, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30516047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15258024 + 15258025.

It is an arithmetic number, because the mean of its divisors is an integer number (15258025).

Almost surely, 2^30516049 is an apocalyptic number.

It is an amenable number.

30516049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30516049 is an equidigital number, since it uses as much as digits as its factorization.

30516049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30516049 is about 5524.1333256901. The cubic root of 30516049 is about 312.4947804995.

The spelling of 30516049 in words is "thirty million, five hundred sixteen thousand, forty-nine".