30546493 has 2 divisors, whose sum is σ = 30546494. Its totient is φ = 30546492.

The previous prime is 30546473. The next prime is 30546521. The reversal of 30546493 is 39464503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27060804 + 3485689 = 5202^2 + 1867^2 .

It is a cyclic number.

It is not a de Polignac number, because 30546493 - 2⁹ = 30545981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30546473) 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 as a sum of consecutive naturals, namely, 15273246 + 15273247.

It is an arithmetic number, because the mean of its divisors is an integer number (15273247).

Almost surely, 2^30546493 is an apocalyptic number.

It is an amenable number.

30546493 is a deficient number, since it is larger than the sum of its proper divisors (1).

30546493 is an equidigital number, since it uses as much as digits as its factorization.

30546493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 30546493 is about 5526.8881841412. Note that the first 3 decimals coincide. The cubic root of 30546493 is about 312.5986649521.

The spelling of 30546493 in words is "thirty million, five hundred forty-six thousand, four hundred ninety-three".