2050520321 has 2 divisors, whose sum is σ = 2050520322. Its totient is φ = 2050520320.

The previous prime is 2050520293. The next prime is 2050520363. The reversal of 2050520321 is 1230250502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1373740096 + 676780225 = 37064^2 + 26015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050520321 - 2²² = 2046326017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2050520293 and 2050520302.

It is not a weakly prime, because it can be changed into another prime (2050520821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025260160 + 1025260161.

It is an arithmetic number, because the mean of its divisors is an integer number (1025260161).

Almost surely, 2^2050520321 is an apocalyptic number.

It is an amenable number.

2050520321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050520321 is an equidigital number, since it uses as much as digits as its factorization.

2050520321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2050520321 is about 45282.6713103368. The cubic root of 2050520321 is about 1270.4415603483.

Adding to 2050520321 its reverse (1230250502), we get a palindrome (3280770823).

The spelling of 2050520321 in words is "two billion, fifty million, five hundred twenty thousand, three hundred twenty-one".