30102473 has 2 divisors, whose sum is σ = 30102474. Its totient is φ = 30102472.

The previous prime is 30102467. The next prime is 30102491. The reversal of 30102473 is 37420103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 1885129 = 5312^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102473 - 2¹⁸ = 29840329 is a prime.

It is not a weakly prime, because it can be changed into another prime (30102673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051236 + 15051237.

It is an arithmetic number, because the mean of its divisors is an integer number (15051237).

Almost surely, 2^30102473 is an apocalyptic number.

It is an amenable number.

30102473 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102473 is an equidigital number, since it uses as much as digits as its factorization.

30102473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30102473 is about 5486.5720627729. The cubic root of 30102473 is about 311.0766345818.

Adding to 30102473 its reverse (37420103), we get a palindrome (67522576).

The spelling of 30102473 in words is "thirty million, one hundred two thousand, four hundred seventy-three".