30530077 has 2 divisors, whose sum is σ = 30530078. Its totient is φ = 30530076.

The previous prime is 30530057. The next prime is 30530089. The reversal of 30530077 is 77003503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16736281 + 13793796 = 4091^2 + 3714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30530077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30530057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265038 + 15265039.

It is an arithmetic number, because the mean of its divisors is an integer number (15265039).

Almost surely, 2^30530077 is an apocalyptic number.

It is an amenable number.

30530077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30530077 is an equidigital number, since it uses as much as digits as its factorization.

30530077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 30530077 is about 5525.4028812386. The cubic root of 30530077 is about 312.5426570036.

The spelling of 30530077 in words is "thirty million, five hundred thirty thousand, seventy-seven".