26205425 has 6 divisors (see below), whose sum is σ = 32494758. Its totient is φ = 20964320.

The previous prime is 26205409. The next prime is 26205433. The reversal of 26205425 is 52450262.

It can be written as a sum of positive squares in 3 ways, for example, as 7612081 + 18593344 = 2759^2 + 4312^2 .

It is not a de Polignac number, because 26205425 - 2⁴ = 26205409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26205394 and 26205403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524084 + ... + 524133.

It is an arithmetic number, because the mean of its divisors is an integer number (5415793).

Almost surely, 2^26205425 is an apocalyptic number.

26205425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26205425 is a deficient number, since it is larger than the sum of its proper divisors (6289333).

26205425 is a wasteful number, since it uses less digits than its factorization.

26205425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048227 (or 1048222 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 26205425 is about 5119.1234601248. The cubic root of 26205425 is about 297.0277799029.

Adding to 26205425 its reverse (52450262), we get a palindrome (78655687).

The spelling of 26205425 in words is "twenty-six million, two hundred five thousand, four hundred twenty-five".