26100985 has 8 divisors (see below), whose sum is σ = 31835016. Its totient is φ = 20538240.

The previous prime is 26100983. The next prime is 26101037. The reversal of 26100985 is 58900162.

It can be written as a sum of positive squares in 4 ways, for example, as 131769 + 25969216 = 363^2 + 5096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26100985 - 2¹ = 26100983 is a prime.

It is a super-2 number, since 2×26100985² = 1362522835940450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26100983) 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 7 ways as a sum of consecutive naturals, for example, 42484 + ... + 43093.

It is an arithmetic number, because the mean of its divisors is an integer number (3979377).

Almost surely, 2^26100985 is an apocalyptic number.

It is an amenable number.

26100985 is a deficient number, since it is larger than the sum of its proper divisors (5734031).

26100985 is an equidigital number, since it uses as much as digits as its factorization.

26100985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85643.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 26100985 is about 5108.9123108544. The cubic root of 26100985 is about 296.6326596264.

The spelling of 26100985 in words is "twenty-six million, one hundred thousand, nine hundred eighty-five".