6526540 has 24 divisors (see below), whose sum is σ = 14026320. Its totient is φ = 2549568.

The previous prime is 6526529. The next prime is 6526547. The reversal of 6526540 is 456256.

It is a junction number, because it is equal to n+sod(n) for n = 6526499 and 6526508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6526547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (584430).

Almost surely, 2^6526540 is an apocalyptic number.

It is an amenable number.

6526540 is an abundant number, since it is smaller than the sum of its proper divisors (7499780).

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

6526540 is a wasteful number, since it uses less digits than its factorization.

6526540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641 (or 7639 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6526540 is about 2554.7093768176. The cubic root of 6526540 is about 186.8792150889.

The spelling of 6526540 in words is "six million, five hundred twenty-six thousand, five hundred forty".