26009625 has 32 divisors (see below), whose sum is σ = 44313984. Its totient is φ = 13540800.

The previous prime is 26009623. The next prime is 26009629. The reversal of 26009625 is 52690062.

It is not a de Polignac number, because 26009625 - 2¹ = 26009623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26009592 and 26009601.

It is not an unprimeable number, because it can be changed into a prime (26009623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15319 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (1384812).

Almost surely, 2^26009625 is an apocalyptic number.

26009625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26009625 is a deficient number, since it is larger than the sum of its proper divisors (18304359).

26009625 is a wasteful number, since it uses less digits than its factorization.

26009625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 26009625 is about 5099.9632351616. The cubic root of 26009625 is about 296.2861587726.

Adding to 26009625 its reverse (52690062), we get a palindrome (78699687).

The spelling of 26009625 in words is "twenty-six million, nine thousand, six hundred twenty-five".