30492061 has 2 divisors, whose sum is σ = 30492062. Its totient is φ = 30492060.

The previous prime is 30492053. The next prime is 30492073. The reversal of 30492061 is 16029403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30184036 + 308025 = 5494^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 30492061 - 2³ = 30492053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30492041) 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, 15246030 + 15246031.

It is an arithmetic number, because the mean of its divisors is an integer number (15246031).

Almost surely, 2^30492061 is an apocalyptic number.

It is an amenable number.

30492061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30492061 is an equidigital number, since it uses as much as digits as its factorization.

30492061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30492061 is about 5521.9616985271. The cubic root of 30492061 is about 312.4128772597.

The spelling of 30492061 in words is "thirty million, four hundred ninety-two thousand, sixty-one".