2250401 has 2 divisors, whose sum is σ = 2250402. Its totient is φ = 2250400.

The previous prime is 2250397. The next prime is 2250403. The reversal of 2250401 is 1040522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 15376 = 1495^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2250401 - 2² = 2250397 is a prime.

Together with 2250403, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₆₆₁₀₀ and since 2250401 and 166100 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2250403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125200 + 1125201.

It is an arithmetic number, because the mean of its divisors is an integer number (1125201).

2^2250401 is an apocalyptic number.

It is an amenable number.

2250401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250401 is an equidigital number, since it uses as much as digits as its factorization.

2250401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2250401 is about 1500.1336607116. The cubic root of 2250401 is about 131.0448538206.

Adding to 2250401 its reverse (1040522), we get a palindrome (3290923).

The spelling of 2250401 in words is "two million, two hundred fifty thousand, four hundred one".