25338128 has 20 divisors (see below), whose sum is σ = 49228620. Its totient is φ = 12633984.

The previous prime is 25338107. The next prime is 25338149. The reversal of 25338128 is 82183352.

It is an interprime number because it is at equal distance from previous prime (25338107) and next prime (25338149).

It can be written as a sum of positive squares in 2 ways, for example, as 14500864 + 10837264 = 3808^2 + 3292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25338094 and 25338103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358 + ... + 8346.

It is an arithmetic number, because the mean of its divisors is an integer number (2461431).

Almost surely, 2^25338128 is an apocalyptic number.

It is an amenable number.

25338128 is a deficient number, since it is larger than the sum of its proper divisors (23890492).

25338128 is a wasteful number, since it uses less digits than its factorization.

25338128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394 (or 4388 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 25338128 is about 5033.6992361483. The cubic root of 25338128 is about 293.7141312474.

The spelling of 25338128 in words is "twenty-five million, three hundred thirty-eight thousand, one hundred twenty-eight".