25726863 has 8 divisors (see below), whose sum is σ = 34328448. Its totient is φ = 17138264.

The previous prime is 25726859. The next prime is 25726867. The reversal of 25726863 is 36862752.

It is an interprime number because it is at equal distance from previous prime (25726859) and next prime (25726867).

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

It is a cyclic number.

It is not a de Polignac number, because 25726863 - 2² = 25726859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25726867) 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, 3220 + ... + 7862.

It is an arithmetic number, because the mean of its divisors is an integer number (4291056).

Almost surely, 2^25726863 is an apocalyptic number.

25726863 is a deficient number, since it is larger than the sum of its proper divisors (8601585).

25726863 is a wasteful number, since it uses less digits than its factorization.

25726863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

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

The square root of 25726863 is about 5072.1655138609. The cubic root of 25726863 is about 295.2085588290.

The spelling of 25726863 in words is "twenty-five million, seven hundred twenty-six thousand, eight hundred sixty-three".