2251275 has 24 divisors (see below), whose sum is σ = 4010160. Its totient is φ = 1107840.

The previous prime is 2251229. The next prime is 2251279. The reversal of 2251275 is 5721522.

It is not a de Polignac number, because 2251275 - 2⁶ = 2251211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (167090).

2^2251275 is an apocalyptic number.

2251275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2251275 is a deficient number, since it is larger than the sum of its proper divisors (1758885).

2251275 is a wasteful number, since it uses less digits than its factorization.

2251275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2330 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 2251275 is about 1500.4249398087. The cubic root of 2251275 is about 131.0618164831.

Adding to 2251275 its reverse (5721522), we get a palindrome (7972797).

The spelling of 2251275 in words is "two million, two hundred fifty-one thousand, two hundred seventy-five".