2252161 has 2 divisors, whose sum is σ = 2252162. Its totient is φ = 2252160.

The previous prime is 2252149. The next prime is 2252179. The reversal of 2252161 is 1612522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1252161 + 1000000 = 1119^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252161 - 2⁹ = 2251649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2252461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126080 + 1126081.

It is an arithmetic number, because the mean of its divisors is an integer number (1126081).

2^2252161 is an apocalyptic number.

It is an amenable number.

2252161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252161 is an equidigital number, since it uses as much as digits as its factorization.

2252161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 2252161 is about 1500.7201604563. The cubic root of 2252161 is about 131.0790075622.

Adding to 2252161 its reverse (1612522), we get a palindrome (3864683).

The spelling of 2252161 in words is "two million, two hundred fifty-two thousand, one hundred sixty-one".