25563041 has 16 divisors (see below), whose sum is σ = 30205440. Its totient is φ = 21176640.

The previous prime is 25563029. The next prime is 25563047. The reversal of 25563041 is 14036552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25563041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25563041.

It is not an unprimeable number, because it can be changed into a prime (25563047) 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 15 ways as a sum of consecutive naturals, for example, 59096 + ... + 59526.

It is an arithmetic number, because the mean of its divisors is an integer number (1887840).

Almost surely, 2^25563041 is an apocalyptic number.

It is an amenable number.

25563041 is a deficient number, since it is larger than the sum of its proper divisors (4642399).

25563041 is a wasteful number, since it uses less digits than its factorization.

25563041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 25563041 is about 5055.9906052128. The cubic root of 25563041 is about 294.5806202068.

Adding to 25563041 its reverse (14036552), we get a palindrome (39599593).

The spelling of 25563041 in words is "twenty-five million, five hundred sixty-three thousand, forty-one".