26500425 has 36 divisors (see below), whose sum is σ = 50974416. Its totient is φ = 12112800.

The previous prime is 26500423. The next prime is 26500447. The reversal of 26500425 is 52400562.

It is not a de Polignac number, because 26500425 - 2¹ = 26500423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26500395 and 26500404.

It is not an unprimeable number, because it can be changed into a prime (26500423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70 + ... + 7280.

It is an arithmetic number, because the mean of its divisors is an integer number (1415956).

Almost surely, 2^26500425 is an apocalyptic number.

26500425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26500425 is a deficient number, since it is larger than the sum of its proper divisors (24473991).

26500425 is a wasteful number, since it uses less digits than its factorization.

26500425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238 (or 7226 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 26500425 is about 5147.8563499771. The cubic root of 26500425 is about 298.1381916907.

Adding to 26500425 its reverse (52400562), we get a palindrome (78900987).

The spelling of 26500425 in words is "twenty-six million, five hundred thousand, four hundred twenty-five".