25689041 has 8 divisors (see below), whose sum is σ = 30371520. Its totient is φ = 21259728.

The previous prime is 25689031. The next prime is 25689043. The reversal of 25689041 is 14098652.

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

It is not a de Polignac number, because 25689041 - 2⁶ = 25688977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25688992 and 25689010.

It is not an unprimeable number, because it can be changed into a prime (25689043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63071 + ... + 63476.

It is an arithmetic number, because the mean of its divisors is an integer number (3796440).

Almost surely, 2^25689041 is an apocalyptic number.

It is an amenable number.

25689041 is a deficient number, since it is larger than the sum of its proper divisors (4682479).

25689041 is a wasteful number, since it uses less digits than its factorization.

25689041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126583.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 25689041 is about 5068.4357547472. The cubic root of 25689041 is about 295.0638222537.

The spelling of 25689041 in words is "twenty-five million, six hundred eighty-nine thousand, forty-one".