25040712 has 64 divisors (see below), whose sum is σ = 65062080. Its totient is φ = 8024832.

The previous prime is 25040699. The next prime is 25040713. The reversal of 25040712 is 21704052.

It is not an unprimeable number, because it can be changed into a prime (25040713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144658 + ... + 144830.

It is an arithmetic number, because the mean of its divisors is an integer number (1016595).

Almost surely, 2^25040712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25040712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32531040).

25040712 is an abundant number, since it is smaller than the sum of its proper divisors (40021368).

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

25040712 is a wasteful number, since it uses less digits than its factorization.

25040712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 378 counting only the distinct ones).

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

The square root of 25040712 is about 5004.0695438813. The cubic root of 25040712 is about 292.5604112200.

Adding to 25040712 its reverse (21704052), we get a palindrome (46744764).

It can be divided in two parts, 25040 and 712, that added together give a palindrome (25752).

The spelling of 25040712 in words is "twenty-five million, forty thousand, seven hundred twelve".