26100625 has 10 divisors (see below), whose sum is σ = 32616122. Its totient is φ = 20880000.

The previous prime is 26100611. The next prime is 26100637. The reversal of 26100625 is 52600162.

It can be written as a sum of positive squares in 5 ways, for example, as 19989841 + 6110784 = 4471^2 + 2472^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26100625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26100596 and 26100605.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 20256 + ... + 21505.

Almost surely, 2^26100625 is an apocalyptic number.

26100625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26100625 is a deficient number, since it is larger than the sum of its proper divisors (6515497).

26100625 is an frugal number, since it uses more digits than its factorization.

26100625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41781 (or 41766 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 26100625 is about 5108.8770781846. The cubic root of 26100625 is about 296.6312958433.

Adding to 26100625 its reverse (52600162), we get a palindrome (78700787).

The spelling of 26100625 in words is "twenty-six million, one hundred thousand, six hundred twenty-five".