4525920 has 144 divisors (see below), whose sum is σ = 17690400. Its totient is φ = 1032192.

The previous prime is 4525909. The next prime is 4525981. The reversal of 4525920 is 295254.

It is a tau number, because it is divible by the number of its divisors (144).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9856 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

Almost surely, 2^4525920 is an apocalyptic number.

4525920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4525920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8845200).

4525920 is an abundant number, since it is smaller than the sum of its proper divisors (13164480).

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

4525920 is a wasteful number, since it uses less digits than its factorization.

4525920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4525920 is about 2127.4209738554. The cubic root of 4525920 is about 165.4127407895.

It can be divided in two parts, 4525 and 920, that added together give a palindrome (5445).

The spelling of 4525920 in words is "four million, five hundred twenty-five thousand, nine hundred twenty".