25740012 has 24 divisors (see below), whose sum is σ = 61684336. Its totient is φ = 8347968.

The previous prime is 25740007. The next prime is 25740031. The reversal of 25740012 is 21004752.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28543 + ... + 29430.

Almost surely, 2^25740012 is an apocalyptic number.

It is an amenable number.

25740012 is an abundant number, since it is smaller than the sum of its proper divisors (35944324).

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

25740012 is a wasteful number, since it uses less digits than its factorization.

25740012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58017 (or 58015 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 25740012 is about 5073.4615402110. The cubic root of 25740012 is about 295.2588439624.

Adding to 25740012 its reverse (21004752), we get a palindrome (46744764).

The spelling of 25740012 in words is "twenty-five million, seven hundred forty thousand, twelve".