26387625 has 32 divisors (see below), whose sum is σ = 47908224. Its totient is φ = 12792000.

The previous prime is 26387597. The next prime is 26387629. The reversal of 26387625 is 52678362.

It is not a de Polignac number, because 26387625 - 2⁷ = 26387497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26387629) 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, 927 + ... + 7323.

It is an arithmetic number, because the mean of its divisors is an integer number (1497132).

Almost surely, 2^26387625 is an apocalyptic number.

26387625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26387625 is a deficient number, since it is larger than the sum of its proper divisors (21520599).

26387625 is a wasteful number, since it uses less digits than its factorization.

26387625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426 (or 6416 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 26387625 is about 5136.8886497568. Note that the first 3 decimals coincide. The cubic root of 26387625 is about 297.7145781458.

It can be divided in two parts, 263876 and 25, that added together give a triangular number (263901 = T₇₂₆).

The spelling of 26387625 in words is "twenty-six million, three hundred eighty-seven thousand, six hundred twenty-five".