2250807121 has 2 divisors, whose sum is σ = 2250807122. Its totient is φ = 2250807120.

The previous prime is 2250807103. The next prime is 2250807133. The reversal of 2250807121 is 1217080522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308992400 + 941814721 = 36180^2 + 30689^2 .

It is a cyclic number.

It is not a de Polignac number, because 2250807121 - 2⁷ = 2250806993 is a prime.

It is a super-2 number, since 2×2250807121² = 10132265391888617282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2250807121.

It is not a weakly prime, because it can be changed into another prime (2250807521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125403560 + 1125403561.

It is an arithmetic number, because the mean of its divisors is an integer number (1125403561).

Almost surely, 2^2250807121 is an apocalyptic number.

It is an amenable number.

2250807121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250807121 is an equidigital number, since it uses as much as digits as its factorization.

2250807121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 2250807121 is about 47442.6719420397. The cubic root of 2250807121 is about 1310.5273639590.

Adding to 2250807121 its reverse (1217080522), we get a palindrome (3467887643).

The spelling of 2250807121 in words is "two billion, two hundred fifty million, eight hundred seven thousand, one hundred twenty-one".