30002473 has 2 divisors, whose sum is σ = 30002474. Its totient is φ = 30002472.

The previous prime is 30002461. The next prime is 30002477. The reversal of 30002473 is 37420003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25371369 + 4631104 = 5037^2 + 2152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30002473 is a prime.

It is a super-2 number, since 2×30002473² = 1800296772231458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30002473.

It is not a weakly prime, because it can be changed into another prime (30002477) 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, 15001236 + 15001237.

It is an arithmetic number, because the mean of its divisors is an integer number (15001237).

Almost surely, 2^30002473 is an apocalyptic number.

It is an amenable number.

30002473 is a deficient number, since it is larger than the sum of its proper divisors (1).

30002473 is an equidigital number, since it uses as much as digits as its factorization.

30002473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30002473 is about 5477.4513233802. The cubic root of 30002473 is about 310.7317883452.

Adding to 30002473 its reverse (37420003), we get a palindrome (67422476).

The spelling of 30002473 in words is "thirty million, two thousand, four hundred seventy-three".