4578525 has 120 divisors (see below), whose sum is σ = 10802880. Its totient is φ = 1866240.

The previous prime is 4578517. The next prime is 4578547. The reversal of 4578525 is 5258754.

It is a happy number.

It is not a de Polignac number, because 4578525 - 2³ = 4578517 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4578525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 240966 + ... + 240984.

It is an arithmetic number, because the mean of its divisors is an integer number (90024).

Almost surely, 2^4578525 is an apocalyptic number.

4578525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4578525 is an abundant number, since it is smaller than the sum of its proper divisors (6224355).

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

4578525 is a wasteful number, since it uses less digits than its factorization.

4578525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 51 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 4578525 is about 2139.7488170344. The cubic root of 4578525 is about 166.0511406761.

The spelling of 4578525 in words is "four million, five hundred seventy-eight thousand, five hundred twenty-five".