25938436 has 6 divisors (see below), whose sum is σ = 45392270. Its totient is φ = 12969216.

The previous prime is 25938397. The next prime is 25938449. The reversal of 25938436 is 63483952.

It can be written as a sum of positive squares in only one way, i.e., 16974400 + 8964036 = 4120^2 + 2994^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3242301 + ... + 3242308.

Almost surely, 2^25938436 is an apocalyptic number.

It is an amenable number.

25938436 is a deficient number, since it is larger than the sum of its proper divisors (19453834).

25938436 is a wasteful number, since it uses less digits than its factorization.

25938436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484613 (or 6484611 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 25938436 is about 5092.9790889027. The cubic root of 25938436 is about 296.0155975467.

The spelling of 25938436 in words is "twenty-five million, nine hundred thirty-eight thousand, four hundred thirty-six".