30042502 has 16 divisors (see below), whose sum is σ = 54531360. Its totient is φ = 12117888.

The previous prime is 30042499. The next prime is 30042527. The reversal of 30042502 is 20524003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62877 + ... + 63352.

It is an arithmetic number, because the mean of its divisors is an integer number (3408210).

Almost surely, 2^30042502 is an apocalyptic number.

30042502 is a deficient number, since it is larger than the sum of its proper divisors (24488858).

30042502 is a wasteful number, since it uses less digits than its factorization.

30042502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126255.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30042502 is about 5481.1040858572. The cubic root of 30042502 is about 310.8699186828.

Adding to 30042502 its reverse (20524003), we get a palindrome (50566505).

The spelling of 30042502 in words is "thirty million, forty-two thousand, five hundred two".