25007312 has 30 divisors (see below), whose sum is σ = 53260914. Its totient is φ = 11366080.

The previous prime is 25007293. The next prime is 25007317. The reversal of 25007312 is 21370052.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 3254416 = 4664^2 + 1804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25007317) 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 5 ways as a sum of consecutive naturals, for example, 4523 + ... + 8394.

Almost surely, 2^25007312 is an apocalyptic number.

25007312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25007312 is an abundant number, since it is smaller than the sum of its proper divisors (28253602).

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

25007312 is a wasteful number, since it uses less digits than its factorization.

25007312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947 (or 12930 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 25007312 is about 5000.7311465425. The cubic root of 25007312 is about 292.4302782661.

Adding to 25007312 its reverse (21370052), we get a palindrome (46377364).

The spelling of 25007312 in words is "twenty-five million, seven thousand, three hundred twelve".