26487625 has 16 divisors (see below), whose sum is σ = 33211152. Its totient is φ = 21091200.

The previous prime is 26487619. The next prime is 26487631. The reversal of 26487625 is 52678462.

It is an interprime number because it is at equal distance from previous prime (26487619) and next prime (26487631).

It can be written as a sum of positive squares in 8 ways, for example, as 8543929 + 17943696 = 2923^2 + 4236^2 .

It is not a de Polignac number, because 26487625 - 2¹¹ = 26485577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38787 + ... + 39463.

It is an arithmetic number, because the mean of its divisors is an integer number (2075697).

Almost surely, 2^26487625 is an apocalyptic number.

26487625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26487625 is a deficient number, since it is larger than the sum of its proper divisors (6723527).

26487625 is an equidigital number, since it uses as much as digits as its factorization.

26487625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 995 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 26487625 is about 5146.6129638822. The cubic root of 26487625 is about 298.0901826061.

The spelling of 26487625 in words is "twenty-six million, four hundred eighty-seven thousand, six hundred twenty-five".