2054520 has 96 divisors (see below), whose sum is σ = 7207200. Its totient is φ = 504576.

The previous prime is 2054519. The next prime is 2054537. The reversal of 2054520 is 254502.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2054493 and 2054502.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4461 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (75075).

2^2054520 is an apocalyptic number.

2054520 is a gapful number since it is divisible by the number (20) 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 2054520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603600).

2054520 is an abundant number, since it is smaller than the sum of its proper divisors (5152680).

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

2054520 is a wasteful number, since it uses less digits than its factorization.

2054520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2054520 is about 1433.3596896802. The cubic root of 2054520 is about 127.1267051340.

Subtracting from 2054520 its sum of digits (18), we obtain a palindrome (2054502).

The spelling of 2054520 in words is "two million, fifty-four thousand, five hundred twenty".