25563126 has 8 divisors (see below), whose sum is σ = 51126264. Its totient is φ = 8521040.

The previous prime is 25563079. The next prime is 25563137. The reversal of 25563126 is 62136552.

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

25563126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25563093 and 25563102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130255 + ... + 2130266.

It is an arithmetic number, because the mean of its divisors is an integer number (6390783).

Almost surely, 2^25563126 is an apocalyptic number.

25563126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25563126 is a wasteful number, since it uses less digits than its factorization.

25563126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260526.

The product of its digits is 10800, while the sum is 30.

The square root of 25563126 is about 5055.9990110759. Note that the first 3 decimals coincide. The cubic root of 25563126 is about 294.5809467110.

Adding to 25563126 its reverse (62136552), we get a palindrome (87699678).

The spelling of 25563126 in words is "twenty-five million, five hundred sixty-three thousand, one hundred twenty-six".