25541017 has 4 divisors (see below), whose sum is σ = 26651520. Its totient is φ = 24430516.

The previous prime is 25540979. The next prime is 25541027. The reversal of 25541017 is 71014552.

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 25541017 - 2¹¹ = 25538969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25540982 and 25541000.

It is not an unprimeable number, because it can be changed into a prime (25541027) 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 3 ways as a sum of consecutive naturals, for example, 555217 + ... + 555262.

It is an arithmetic number, because the mean of its divisors is an integer number (6662880).

Almost surely, 2^25541017 is an apocalyptic number.

It is an amenable number.

25541017 is a deficient number, since it is larger than the sum of its proper divisors (1110503).

25541017 is a wasteful number, since it uses less digits than its factorization.

25541017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110502.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 25541017 is about 5053.8121255148. The cubic root of 25541017 is about 294.4959966326.

Adding to 25541017 its reverse (71014552), we get a palindrome (96555569).

The spelling of 25541017 in words is "twenty-five million, five hundred forty-one thousand, seventeen".