4025528 has 16 divisors (see below), whose sum is σ = 8128680. Its totient is φ = 1857888.

The previous prime is 4025521. The next prime is 4025543. The reversal of 4025528 is 8255204.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 4025497 and 4025506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025521) 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 3 ways as a sum of consecutive naturals, for example, 19250 + ... + 19457.

Almost surely, 2^4025528 is an apocalyptic number.

It is an amenable number.

4025528 is an abundant number, since it is smaller than the sum of its proper divisors (4103152).

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

4025528 is a wasteful number, since it uses less digits than its factorization.

4025528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38726 (or 38722 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4025528 is about 2006.3718498823. The cubic root of 4025528 is about 159.0770824644.

The spelling of 4025528 in words is "four million, twenty-five thousand, five hundred twenty-eight".