26289825 has 36 divisors (see below), whose sum is σ = 45921168. Its totient is φ = 13269600.

The previous prime is 26289811. The next prime is 26289877. The reversal of 26289825 is 52898262.

It is not a de Polignac number, because 26289825 - 2¹¹ = 26287777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26590 + ... + 27560.

It is an arithmetic number, because the mean of its divisors is an integer number (1275588).

Almost surely, 2^26289825 is an apocalyptic number.

26289825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26289825 is a deficient number, since it is larger than the sum of its proper divisors (19631343).

26289825 is a wasteful number, since it uses less digits than its factorization.

26289825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 998 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 26289825 is about 5127.3604320352. The cubic root of 26289825 is about 297.3463180074.

The spelling of 26289825 in words is "twenty-six million, two hundred eighty-nine thousand, eight hundred twenty-five".