26252889 has 32 divisors (see below), whose sum is σ = 40320000. Its totient is φ = 15059520.

The previous prime is 26252887. The next prime is 26252893. The reversal of 26252889 is 98825262.

It is not a de Polignac number, because 26252889 - 2¹ = 26252887 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26252889.

It is not an unprimeable number, because it can be changed into a prime (26252887) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 52362 + ... + 52860.

It is an arithmetic number, because the mean of its divisors is an integer number (1260000).

Almost surely, 2^26252889 is an apocalyptic number.

It is an amenable number.

26252889 is a deficient number, since it is larger than the sum of its proper divisors (14067111).

26252889 is a wasteful number, since it uses less digits than its factorization.

26252889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

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

The square root of 26252889 is about 5123.7573127540. The cubic root of 26252889 is about 297.2070000893.

The spelling of 26252889 in words is "twenty-six million, two hundred fifty-two thousand, eight hundred eighty-nine".