26125663 has 4 divisors (see below), whose sum is σ = 26831800. Its totient is φ = 25419528.

The previous prime is 26125643. The next prime is 26125667. The reversal of 26125663 is 36652162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36652162 = 2 ⋅18326081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26125663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26125667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353013 + ... + 353086.

It is an arithmetic number, because the mean of its divisors is an integer number (6707950).

Almost surely, 2^26125663 is an apocalyptic number.

26125663 is a deficient number, since it is larger than the sum of its proper divisors (706137).

26125663 is an equidigital number, since it uses as much as digits as its factorization.

26125663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706136.

The product of its digits is 12960, while the sum is 31.

The square root of 26125663 is about 5111.3269314338. The cubic root of 26125663 is about 296.7261170817.

The spelling of 26125663 in words is "twenty-six million, one hundred twenty-five thousand, six hundred sixty-three".