25559041 has 4 divisors (see below), whose sum is σ = 27062532. Its totient is φ = 24055552.

The previous prime is 25559033. The next prime is 25559057. The reversal of 25559041 is 14095552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23078416 + 2480625 = 4804^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 25559041 - 2³ = 25559033 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25558994 and 25559012.

It is not an unprimeable number, because it can be changed into a prime (25559021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751720 + ... + 751753.

It is an arithmetic number, because the mean of its divisors is an integer number (6765633).

It is a Proth number, since it is equal to 195 ⋅ 2¹⁷ + 1 and 195 < 2¹⁷.

Almost surely, 2^25559041 is an apocalyptic number.

It is an amenable number.

25559041 is a deficient number, since it is larger than the sum of its proper divisors (1503491).

25559041 is a wasteful number, since it uses less digits than its factorization.

25559041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503490.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 25559041 is about 5055.5950193820. The cubic root of 25559041 is about 294.5652544821.

The spelling of 25559041 in words is "twenty-five million, five hundred fifty-nine thousand, forty-one".