2251201 has 2 divisors, whose sum is σ = 2251202. Its totient is φ = 2251200.

The previous prime is 2251199. The next prime is 2251211. The reversal of 2251201 is 1021522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 104976 = 1465^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251201 - 2¹ = 2251199 is a prime.

Together with 2251199, it forms a pair of twin primes.

It is a Chen prime.

2251201 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2251211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125600 + 1125601.

It is an arithmetic number, because the mean of its divisors is an integer number (1125601).

2^2251201 is an apocalyptic number.

It is an amenable number.

2251201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251201 is an equidigital number, since it uses as much as digits as its factorization.

2251201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2251201 is about 1500.4002799253. The cubic root of 2251201 is about 131.0603804553.

Adding to 2251201 its reverse (1021522), we get a palindrome (3272723).

The spelling of 2251201 in words is "two million, two hundred fifty-one thousand, two hundred one".