6523020 has 144 divisors (see below), whose sum is σ = 23482368. Its totient is φ = 1434240.

The previous prime is 6523003. The next prime is 6523031. The reversal of 6523020 is 203256.

6523020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 = 6522984 and 6523002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38977 + ... + 39143.

It is an arithmetic number, because the mean of its divisors is an integer number (163072).

Almost surely, 2^6523020 is an apocalyptic number.

6523020 is a gapful number since it is divisible by the number (60) 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 6523020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11741184).

6523020 is an abundant number, since it is smaller than the sum of its proper divisors (16959348).

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

6523020 is a wasteful number, since it uses less digits than its factorization.

6523020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 6523020 is about 2554.0203601381. The cubic root of 6523020 is about 186.8456121317.

Adding to 6523020 its reverse (203256), we get a palindrome (6726276).

The spelling of 6523020 in words is "six million, five hundred twenty-three thousand, twenty".