26145425 has 18 divisors (see below), whose sum is σ = 34228278. Its totient is φ = 19808640.

The previous prime is 26145401. The next prime is 26145433. The reversal of 26145425 is 52454162.

It can be written as a sum of positive squares in 3 ways, for example, as 23104 + 26122321 = 152^2 + 5111^2 .

It is not a de Polignac number, because 26145425 - 2¹² = 26141329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7577 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (1901571).

Almost surely, 2^26145425 is an apocalyptic number.

26145425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26145425 is a deficient number, since it is larger than the sum of its proper divisors (8082853).

26145425 is a wasteful number, since it uses less digits than its factorization.

26145425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2921 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 26145425 is about 5113.2597235032. The cubic root of 26145425 is about 296.8009148469.

Adding to 26145425 its reverse (52454162), we get a palindrome (78599587).

The spelling of 26145425 in words is "twenty-six million, one hundred forty-five thousand, four hundred twenty-five".