25863441 has 4 divisors (see below), whose sum is σ = 34484592. Its totient is φ = 17242292.

The previous prime is 25863421. The next prime is 25863449. The reversal of 25863441 is 14436852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25863441 - 2⁶ = 25863377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25863449) 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, 4310571 + ... + 4310576.

It is an arithmetic number, because the mean of its divisors is an integer number (8621148).

Almost surely, 2^25863441 is an apocalyptic number.

It is an amenable number.

25863441 is a deficient number, since it is larger than the sum of its proper divisors (8621151).

25863441 is an equidigital number, since it uses as much as digits as its factorization.

25863441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621150.

The product of its digits is 23040, while the sum is 33.

The square root of 25863441 is about 5085.6111727107. The cubic root of 25863441 is about 295.7300352347.

The spelling of 25863441 in words is "twenty-five million, eight hundred sixty-three thousand, four hundred forty-one".