30002530 has 16 divisors (see below), whose sum is σ = 55867320. Its totient is φ = 11587072.

The previous prime is 30002527. The next prime is 30002549. The reversal of 30002530 is 3520003.

It can be written as a sum of positive squares in 4 ways, for example, as 21874329 + 8128201 = 4677^2 + 2851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30002530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51439 + ... + 52018.

Almost surely, 2^30002530 is an apocalyptic number.

30002530 is a deficient number, since it is larger than the sum of its proper divisors (25864790).

30002530 is a wasteful number, since it uses less digits than its factorization.

30002530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103493.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 30002530 is about 5477.4565265276. The cubic root of 30002530 is about 310.7319851257.

Adding to 30002530 its reverse (3520003), we get a palindrome (33522533).

The spelling of 30002530 in words is "thirty million, two thousand, five hundred thirty".