16272503 has 12 divisors (see below), whose sum is σ = 17875440. Its totient is φ = 14803776.

The previous prime is 16272497. The next prime is 16272517. The reversal of 16272503 is 30527261.

It is not a de Polignac number, because 16272503 - 2¹⁸ = 16010359 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 (16272593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11678 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (1489620).

Almost surely, 2^16272503 is an apocalyptic number.

16272503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16272503 is a deficient number, since it is larger than the sum of its proper divisors (1602937).

16272503 is a wasteful number, since it uses less digits than its factorization.

16272503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 16272503 is about 4033.9190621528. The cubic root of 16272503 is about 253.4067156221.

Adding to 16272503 its reverse (30527261), we get a palindrome (46799764).

The spelling of 16272503 in words is "sixteen million, two hundred seventy-two thousand, five hundred three".