16252503 has 8 divisors (see below), whose sum is σ = 22079088. Its totient is φ = 10630464.

The previous prime is 16252487. The next prime is 16252507. The reversal of 16252503 is 30525261.

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

It is not a de Polignac number, because 16252503 - 2⁴ = 16252487 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50950 + ... + 51267.

It is an arithmetic number, because the mean of its divisors is an integer number (2759886).

Almost surely, 2^16252503 is an apocalyptic number.

16252503 is a deficient number, since it is larger than the sum of its proper divisors (5826585).

16252503 is a wasteful number, since it uses less digits than its factorization.

16252503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102273.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 16252503 is about 4031.4393211358. The cubic root of 16252503 is about 253.3028550976.

Adding to 16252503 its reverse (30525261), we get a palindrome (46777764).

The spelling of 16252503 in words is "sixteen million, two hundred fifty-two thousand, five hundred three".