2252050421 has 2 divisors, whose sum is σ = 2252050422. Its totient is φ = 2252050420.

The previous prime is 2252050403. The next prime is 2252050433. The reversal of 2252050421 is 1240502522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2219446321 + 32604100 = 47111^2 + 5710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252050421 - 2⁶ = 2252050357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2252050441) 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 as a sum of consecutive naturals, namely, 1126025210 + 1126025211.

It is an arithmetic number, because the mean of its divisors is an integer number (1126025211).

Almost surely, 2^2252050421 is an apocalyptic number.

It is an amenable number.

2252050421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252050421 is an equidigital number, since it uses as much as digits as its factorization.

2252050421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2252050421 is about 47455.7733157937. The cubic root of 2252050421 is about 1310.7686224149.

Adding to 2252050421 its reverse (1240502522), we get a palindrome (3492552943).

The spelling of 2252050421 in words is "two billion, two hundred fifty-two million, fifty thousand, four hundred twenty-one".