26425961 has 4 divisors (see below), whose sum is σ = 26438400. Its totient is φ = 26413524.

The previous prime is 26425921. The next prime is 26425967. The reversal of 26425961 is 16952462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16952462 = 2 ⋅8476231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26425961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26425967) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2141 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (6609600).

Almost surely, 2^26425961 is an apocalyptic number.

It is an amenable number.

26425961 is a deficient number, since it is larger than the sum of its proper divisors (12439).

26425961 is an equidigital number, since it uses as much as digits as its factorization.

26425961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12438.

The product of its digits is 25920, while the sum is 35.

The square root of 26425961 is about 5140.6187370783. The cubic root of 26425961 is about 297.8586818496.

The spelling of 26425961 in words is "twenty-six million, four hundred twenty-five thousand, nine hundred sixty-one".