2116503 has 16 divisors (see below), whose sum is σ = 3210240. Its totient is φ = 1377432.

The previous prime is 2116501. The next prime is 2116519. The reversal of 2116503 is 3056112.

2116503 is a `hidden beast` number, since 2 + 11 + 650 + 3 = 666.

It is not a de Polignac number, because 2116503 - 2¹ = 2116501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (200640).

2^2116503 is an apocalyptic number.

2116503 is a deficient number, since it is larger than the sum of its proper divisors (1093737).

2116503 is a wasteful number, since it uses less digits than its factorization.

2116503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2116503 is about 1454.8206074977. The cubic root of 2116503 is about 128.3924923552.

The spelling of 2116503 in words is "two million, one hundred sixteen thousand, five hundred three".