30773513 has 2 divisors, whose sum is σ = 30773514. Its totient is φ = 30773512.

The previous prime is 30773507. The next prime is 30773527. The reversal of 30773513 is 31537703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26245129 + 4528384 = 5123^2 + 2128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30773513 is a prime.

It is a super-2 number, since 2×30773513² = 1894018204722338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30773503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15386756 + 15386757.

It is an arithmetic number, because the mean of its divisors is an integer number (15386757).

Almost surely, 2^30773513 is an apocalyptic number.

It is an amenable number.

30773513 is a deficient number, since it is larger than the sum of its proper divisors (1).

30773513 is an equidigital number, since it uses as much as digits as its factorization.

30773513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 30773513 is about 5547.3879438885. The cubic root of 30773513 is about 313.3711602388.

The spelling of 30773513 in words is "thirty million, seven hundred seventy-three thousand, five hundred thirteen".