25135312 has 10 divisors (see below), whose sum is σ = 48699698. Its totient is φ = 12567648.

The previous prime is 25135301. The next prime is 25135339. The reversal of 25135312 is 21353152.

It can be written as a sum of positive squares in only one way, i.e., 24167056 + 968256 = 4916^2 + 984^2 .

It is a super-3 number, since 3×25135312³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 785463 + ... + 785494.

Almost surely, 2^25135312 is an apocalyptic number.

It is an amenable number.

25135312 is a deficient number, since it is larger than the sum of its proper divisors (23564386).

25135312 is a wasteful number, since it uses less digits than its factorization.

25135312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570965 (or 1570959 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 25135312 is about 5013.5129400451. The cubic root of 25135312 is about 292.9283644913.

Adding to 25135312 its reverse (21353152), we get a palindrome (46488464).

The spelling of 25135312 in words is "twenty-five million, one hundred thirty-five thousand, three hundred twelve".