2140503 has 4 divisors (see below), whose sum is σ = 2854008. Its totient is φ = 1427000.

The previous prime is 2140477. The next prime is 2140513. The reversal of 2140503 is 3050412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2140503 - 2¹³ = 2132311 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356748 + ... + 356753.

It is an arithmetic number, because the mean of its divisors is an integer number (713502).

2^2140503 is an apocalyptic number.

2140503 is a deficient number, since it is larger than the sum of its proper divisors (713505).

2140503 is an equidigital number, since it uses as much as digits as its factorization.

2140503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713504.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2140503 is about 1463.0457955922. The cubic root of 2140503 is about 128.8759699640.

Adding to 2140503 its reverse (3050412), we get a palindrome (5190915).

Subtracting 2140503 from its reverse (3050412), we obtain a palindrome (909909).

The spelling of 2140503 in words is "two million, one hundred forty thousand, five hundred three".