30530677 has 2 divisors, whose sum is σ = 30530678. Its totient is φ = 30530676.

The previous prime is 30530659. The next prime is 30530681. The reversal of 30530677 is 77603503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27941796 + 2588881 = 5286^2 + 1609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30530677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30530077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265338 + 15265339.

It is an arithmetic number, because the mean of its divisors is an integer number (15265339).

Almost surely, 2^30530677 is an apocalyptic number.

It is an amenable number.

30530677 is a deficient number, since it is larger than the sum of its proper divisors (1).

30530677 is an equidigital number, since it uses as much as digits as its factorization.

30530677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 30530677 is about 5525.4571756552. The cubic root of 30530677 is about 312.5447044312.

The spelling of 30530677 in words is "thirty million, five hundred thirty thousand, six hundred seventy-seven".