26863425 has 72 divisors (see below), whose sum is σ = 52228800. Its totient is φ = 13157760.

The previous prime is 26863423. The next prime is 26863427. The reversal of 26863425 is 52436862.

It is an interprime number because it is at equal distance from previous prime (26863423) and next prime (26863427).

It is not a de Polignac number, because 26863425 - 2¹ = 26863423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26863425.

It is not an unprimeable number, because it can be changed into a prime (26863423) 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 71 ways as a sum of consecutive naturals, for example, 149986 + ... + 150164.

It is an arithmetic number, because the mean of its divisors is an integer number (725400).

Almost surely, 2^26863425 is an apocalyptic number.

26863425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26863425 is a deficient number, since it is larger than the sum of its proper divisors (25365375).

26863425 is a wasteful number, since it uses less digits than its factorization.

26863425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 239 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 26863425 is about 5182.9938259658. The cubic root of 26863425 is about 299.4933113706.

The spelling of 26863425 in words is "twenty-six million, eight hundred sixty-three thousand, four hundred twenty-five".