2050521503 has 4 divisors (see below), whose sum is σ = 2050953408. Its totient is φ = 2050089600.

The previous prime is 2050521469. The next prime is 2050521559. The reversal of 2050521503 is 3051250502.

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 2050521503 - 2⁸ = 2050521247 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 (2050521203) 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 3 ways as a sum of consecutive naturals, for example, 208751 + ... + 218352.

It is an arithmetic number, because the mean of its divisors is an integer number (512738352).

Almost surely, 2^2050521503 is an apocalyptic number.

2050521503 is a deficient number, since it is larger than the sum of its proper divisors (431905).

2050521503 is an equidigital number, since it uses as much as digits as its factorization.

2050521503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431904.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2050521503 is about 45282.6843616851. The cubic root of 2050521503 is about 1270.4418044589.

The spelling of 2050521503 in words is "two billion, fifty million, five hundred twenty-one thousand, five hundred three".