30502 has 8 divisors (see below), whose sum is σ = 46512. Its totient is φ = 15000.

The previous prime is 30497. The next prime is 30509. The reversal of 30502 is 20503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30509) by changing a digit.

30502 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127 + ... + 277.

It is an arithmetic number, because the mean of its divisors is an integer number (5814).

2³⁰⁵⁰² is an apocalyptic number.

30502 is a deficient number, since it is larger than the sum of its proper divisors (16010).

30502 is a wasteful number, since it uses less digits than its factorization.

30502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 30502 is about 174.6482178552. The cubic root of 30502 is about 31.2446817616.

Subtracting from 30502 its reverse (20503), we obtain a palindrome (9999).

The spelling of 30502 in words is "thirty thousand, five hundred two".