25725046 has 12 divisors (see below), whose sum is σ = 40991868. Its totient is φ = 12105632.

The previous prime is 25725043. The next prime is 25725053. The reversal of 25725046 is 64052752.

It is a junction number, because it is equal to n+sod(n) for n = 25724999 and 25725017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25725043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21676 + ... + 22831.

It is an arithmetic number, because the mean of its divisors is an integer number (3415989).

Almost surely, 2^25725046 is an apocalyptic number.

25725046 is a deficient number, since it is larger than the sum of its proper divisors (15266822).

25725046 is a wasteful number, since it uses less digits than its factorization.

25725046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44543 (or 44526 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 25725046 is about 5071.9863958808. The cubic root of 25725046 is about 295.2016088097.

Adding to 25725046 its reverse (64052752), we get a palindrome (89777798).

The spelling of 25725046 in words is "twenty-five million, seven hundred twenty-five thousand, forty-six".