26648525 has 6 divisors (see below), whose sum is σ = 33044202. Its totient is φ = 21318800.

The previous prime is 26648509. The next prime is 26648539. The reversal of 26648525 is 52584662.

It can be written as a sum of positive squares in 3 ways, for example, as 7873636 + 18774889 = 2806^2 + 4333^2 .

It is not a de Polignac number, because 26648525 - 2⁴ = 26648509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532946 + ... + 532995.

It is an arithmetic number, because the mean of its divisors is an integer number (5507367).

Almost surely, 2^26648525 is an apocalyptic number.

26648525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26648525 is a deficient number, since it is larger than the sum of its proper divisors (6395677).

26648525 is a wasteful number, since it uses less digits than its factorization.

26648525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065951 (or 1065946 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 26648525 is about 5162.2209367674. The cubic root of 26648525 is about 298.6925509417.

The spelling of 26648525 in words is "twenty-six million, six hundred forty-eight thousand, five hundred twenty-five".