30494057 has 6 divisors (see below), whose sum is σ = 33518394. Its totient is φ = 27721760.

The previous prime is 30494047. The next prime is 30494081. The reversal of 30494057 is 75049403.

It can be written as a sum of positive squares in only one way, i.e., 20939776 + 9554281 = 4576^2 + 3091^2 .

It is not a de Polignac number, because 30494057 - 2⁴ = 30494041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30494047) 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 in 5 ways as a sum of consecutive naturals, for example, 125888 + ... + 126129.

It is an arithmetic number, because the mean of its divisors is an integer number (5586399).

Almost surely, 2^30494057 is an apocalyptic number.

It is an amenable number.

30494057 is a deficient number, since it is larger than the sum of its proper divisors (3024337).

30494057 is a wasteful number, since it uses less digits than its factorization.

30494057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252039 (or 252028 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 30494057 is about 5522.1424284421. The cubic root of 30494057 is about 312.4196939248.

The spelling of 30494057 in words is "thirty million, four hundred ninety-four thousand, fifty-seven".