25082128 has 20 divisors (see below), whose sum is σ = 51154960. Its totient is φ = 11880864.

The previous prime is 25082117. The next prime is 25082153. The reversal of 25082128 is 82128052.

It is a super-2 number, since 2×25082128² = 1258226290016768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25082096 and 25082105.

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 in 3 ways as a sum of consecutive naturals, for example, 40950 + ... + 41557.

It is an arithmetic number, because the mean of its divisors is an integer number (2557748).

Almost surely, 2^25082128 is an apocalyptic number.

It is an amenable number.

25082128 is an abundant number, since it is smaller than the sum of its proper divisors (26072832).

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

25082128 is a wasteful number, since it uses less digits than its factorization.

25082128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82534 (or 82528 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 25082128 is about 5008.2060660480. The cubic root of 25082128 is about 292.7216154756.

The spelling of 25082128 in words is "twenty-five million, eighty-two thousand, one hundred twenty-eight".