26216625 has 16 divisors (see below), whose sum is σ = 43625088. Its totient is φ = 13982000.

The previous prime is 26216623. The next prime is 26216633. The reversal of 26216625 is 52661262.

It is not a de Polignac number, because 26216625 - 2¹ = 26216623 is a prime.

It is a super-2 number, since 2×26216625² = 1374622852781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26216592 and 26216601.

It is not an unprimeable number, because it can be changed into a prime (26216621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34581 + ... + 35330.

It is an arithmetic number, because the mean of its divisors is an integer number (2726568).

Almost surely, 2^26216625 is an apocalyptic number.

26216625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26216625 is a deficient number, since it is larger than the sum of its proper divisors (17408463).

26216625 is an equidigital number, since it uses as much as digits as its factorization.

26216625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69929 (or 69919 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 26216625 is about 5120.2172805458. The cubic root of 26216625 is about 297.0700896831.

Adding to 26216625 its reverse (52661262), we get a palindrome (78877887).

The spelling of 26216625 in words is "twenty-six million, two hundred sixteen thousand, six hundred twenty-five".