2251120253 has 2 divisors, whose sum is σ = 2251120254. Its totient is φ = 2251120252.

The previous prime is 2251120243. The next prime is 2251120283. The reversal of 2251120253 is 3520211522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2202706489 + 48413764 = 46933^2 + 6958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251120253 - 2⁶ = 2251120189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251120213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125560126 + 1125560127.

It is an arithmetic number, because the mean of its divisors is an integer number (1125560127).

Almost surely, 2^2251120253 is an apocalyptic number.

It is an amenable number.

2251120253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251120253 is an equidigital number, since it uses as much as digits as its factorization.

2251120253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2251120253 is about 47445.9719365090. The cubic root of 2251120253 is about 1310.5881346076.

Adding to 2251120253 its reverse (3520211522), we get a palindrome (5771331775).

The spelling of 2251120253 in words is "two billion, two hundred fifty-one million, one hundred twenty thousand, two hundred fifty-three".