2150503 has 4 divisors (see below), whose sum is σ = 2169648. Its totient is φ = 2131360.

The previous prime is 2150471. The next prime is 2150509. The reversal of 2150503 is 3050512.

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 2150503 - 2⁵ = 2150471 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 (2150509) 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, 9403 + ... + 9628.

It is an arithmetic number, because the mean of its divisors is an integer number (542412).

2^2150503 is an apocalyptic number.

2150503 is a deficient number, since it is larger than the sum of its proper divisors (19145).

2150503 is a wasteful number, since it uses less digits than its factorization.

2150503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19144.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2150503 is about 1466.4593414071. The cubic root of 2150503 is about 129.0763524520.

Subtracting 2150503 from its reverse (3050512), we obtain a palindrome (900009).

The spelling of 2150503 in words is "two million, one hundred fifty thousand, five hundred three".