2050545243 has 12 divisors (see below), whose sum is σ = 2858103080. Its totient is φ = 1307593056.

The previous prime is 2050545241. The next prime is 2050545271. The reversal of 2050545243 is 3425450502.

It is not a de Polignac number, because 2050545243 - 2¹ = 2050545241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2050545243.

It is not an unprimeable number, because it can be changed into a prime (2050545241) 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, 644458 + ... + 647631.

Almost surely, 2^2050545243 is an apocalyptic number.

2050545243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2050545243 is a deficient number, since it is larger than the sum of its proper divisors (807557837).

2050545243 is a wasteful number, since it uses less digits than its factorization.

2050545243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292138 (or 1292115 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2050545243 is about 45282.9464920294. The cubic root of 2050545243 is about 1270.4467073047.

Adding to 2050545243 its reverse (3425450502), we get a palindrome (5475995745).

The spelling of 2050545243 in words is "two billion, fifty million, five hundred forty-five thousand, two hundred forty-three".