26969825 has 12 divisors (see below), whose sum is σ = 33533568. Its totient is φ = 21517200.

The previous prime is 26969821. The next prime is 26969849. The reversal of 26969825 is 52896962.

It is a happy number.

It is not a de Polignac number, because 26969825 - 2² = 26969821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26969825.

It is not an unprimeable number, because it can be changed into a prime (26969821) 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 11 ways as a sum of consecutive naturals, for example, 9524 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (2794464).

Almost surely, 2^26969825 is an apocalyptic number.

26969825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26969825 is a deficient number, since it is larger than the sum of its proper divisors (6563743).

26969825 is a wasteful number, since it uses less digits than its factorization.

26969825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2939 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 26969825 is about 5193.2480202663. The cubic root of 26969825 is about 299.8881990811. Note that the first 3 decimals are identical.

It can be divided in two parts, 2696 and 9825, that added together give a palindrome (12521).

The spelling of 26969825 in words is "twenty-six million, nine hundred sixty-nine thousand, eight hundred twenty-five".