25563043 has 8 divisors (see below), whose sum is σ = 28033776. Its totient is φ = 23116800.

The previous prime is 25563029. The next prime is 25563047. The reversal of 25563043 is 34036552.

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

It is a cyclic number.

It is not a de Polignac number, because 25563043 - 2⁵ = 25563011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25563047) 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, 3898 + ... + 8143.

It is an arithmetic number, because the mean of its divisors is an integer number (3504222).

Almost surely, 2^25563043 is an apocalyptic number.

25563043 is a deficient number, since it is larger than the sum of its proper divisors (2470733).

25563043 is a wasteful number, since it uses less digits than its factorization.

25563043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 25563043 is about 5055.9908029980. The cubic root of 25563043 is about 294.5806278892.

Adding to 25563043 its reverse (34036552), we get a palindrome (59599595).

The spelling of 25563043 in words is "twenty-five million, five hundred sixty-three thousand, forty-three".