30252503 has 16 divisors (see below), whose sum is σ = 33948000. Its totient is φ = 26790912.

The previous prime is 30252499. The next prime is 30252527. The reversal of 30252503 is 30525203.

It is not a de Polignac number, because 30252503 - 2² = 30252499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30252583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73763 + ... + 74171.

It is an arithmetic number, because the mean of its divisors is an integer number (2121750).

Almost surely, 2^30252503 is an apocalyptic number.

30252503 is a deficient number, since it is larger than the sum of its proper divisors (3695497).

30252503 is a wasteful number, since it uses less digits than its factorization.

30252503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30252503 is about 5500.2275407477. The cubic root of 30252503 is about 311.5925778626.

Adding to 30252503 its reverse (30525203), we get a palindrome (60777706).

The spelling of 30252503 in words is "thirty million, two hundred fifty-two thousand, five hundred three".