6523380 has 36 divisors (see below), whose sum is σ = 19788132. Its totient is φ = 1739520.

The previous prime is 6523373. The next prime is 6523381. The reversal of 6523380 is 833256.

6523380 is a `hidden beast` number, since 652 + 3 + 3 + 8 + 0 = 666.

6523380 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 820836 + 5702544 = 906^2 + 2388^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17941 + ... + 18300.

Almost surely, 2^6523380 is an apocalyptic number.

6523380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6523380 is an abundant number, since it is smaller than the sum of its proper divisors (13264752).

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

6523380 is a wasteful number, since it uses less digits than its factorization.

6523380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36256 (or 36251 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6523380 is about 2554.0908362860. The cubic root of 6523380 is about 186.8490493527.

It can be divided in two parts, 6523 and 380, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6523380 in words is "six million, five hundred twenty-three thousand, three hundred eighty".