2153425 has 6 divisors (see below), whose sum is σ = 2670278. Its totient is φ = 1722720.

The previous prime is 2153419. The next prime is 2153429. The reversal of 2153425 is 5243512.

2153425 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 33489 + 2119936 = 183^2 + 1456^2 .

It is not a de Polignac number, because 2153425 - 2⁷ = 2153297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153396 and 2153405.

It is not an unprimeable number, because it can be changed into a prime (2153429) 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, 43044 + ... + 43093.

2^2153425 is an apocalyptic number.

2153425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153425 is a deficient number, since it is larger than the sum of its proper divisors (516853).

2153425 is an equidigital number, since it uses as much as digits as its factorization.

2153425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86147 (or 86142 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 2153425 is about 1467.4552804089. The cubic root of 2153425 is about 129.1347869063.

Adding to 2153425 its reverse (5243512), we get a palindrome (7396937).

The spelling of 2153425 in words is "two million, one hundred fifty-three thousand, four hundred twenty-five".