25755436 has 24 divisors (see below), whose sum is σ = 52609536. Its totient is φ = 10802640.

The previous prime is 25755413. The next prime is 25755439. The reversal of 25755436 is 63455752.

It is a junction number, because it is equal to n+sod(n) for n = 25755395 and 25755404.

It is not an unprimeable number, because it can be changed into a prime (25755439) 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, 8470 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (2192064).

Almost surely, 2^25755436 is an apocalyptic number.

It is an amenable number.

25755436 is an abundant number, since it is smaller than the sum of its proper divisors (26854100).

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

25755436 is a wasteful number, since it uses less digits than its factorization.

25755436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19629 (or 19627 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 25755436 is about 5074.9813792762. The cubic root of 25755436 is about 295.3178074557.

The spelling of 25755436 in words is "twenty-five million, seven hundred fifty-five thousand, four hundred thirty-six".