25726043 has 4 divisors (see below), whose sum is σ = 29401200. Its totient is φ = 22050888.

The previous prime is 25726037. The next prime is 25726087. The reversal of 25726043 is 34062752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25726043 - 2⁶ = 25725979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25725997 and 25726015.

It is not an unprimeable number, because it can be changed into a prime (25726643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837568 + ... + 1837581.

It is an arithmetic number, because the mean of its divisors is an integer number (7350300).

Almost surely, 2^25726043 is an apocalyptic number.

25726043 is a deficient number, since it is larger than the sum of its proper divisors (3675157).

25726043 is an equidigital number, since it uses as much as digits as its factorization.

25726043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675156.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 25726043 is about 5072.0846798925. The cubic root of 25726043 is about 295.2054223721.

Adding to 25726043 its reverse (34062752), we get a palindrome (59788795).

The spelling of 25726043 in words is "twenty-five million, seven hundred twenty-six thousand, forty-three".