2258825 has 6 divisors (see below), whose sum is σ = 2800974. Its totient is φ = 1807040.

The previous prime is 2258821. The next prime is 2258827. The reversal of 2258825 is 5288522.

It is a happy number.

2258825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 32761 + 2226064 = 181^2 + 1492^2 .

It is not a de Polignac number, because 2258825 - 2² = 2258821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2258791 and 2258800.

It is not an unprimeable number, because it can be changed into a prime (2258821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45152 + ... + 45201.

It is an arithmetic number, because the mean of its divisors is an integer number (466829).

2^2258825 is an apocalyptic number.

2258825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2258825 is a deficient number, since it is larger than the sum of its proper divisors (542149).

2258825 is an equidigital number, since it uses as much as digits as its factorization.

2258825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90363 (or 90358 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The square root of 2258825 is about 1502.9387878420. The cubic root of 2258825 is about 131.2081650493.

The spelling of 2258825 in words is "two million, two hundred fifty-eight thousand, eight hundred twenty-five".