4561520 has 40 divisors (see below), whose sum is σ = 11167440. Its totient is φ = 1728000.

The previous prime is 4561507. The next prime is 4561523. The reversal of 4561520 is 251654.

4561520 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (279186).

Almost surely, 2^4561520 is an apocalyptic number.

4561520 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 4561520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5583720).

4561520 is an abundant number, since it is smaller than the sum of its proper divisors (6605920).

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

4561520 is a wasteful number, since it uses less digits than its factorization.

4561520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3027 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 4561520 is about 2135.7715233611. The cubic root of 4561520 is about 165.8453099998.

The spelling of 4561520 in words is "four million, five hundred sixty-one thousand, five hundred twenty".