6450540 has 24 divisors (see below), whose sum is σ = 18061680. Its totient is φ = 1720128.

The previous prime is 6450539. The next prime is 6450541. The reversal of 6450540 is 450546.

6450540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6450539) and next prime (6450541).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 6450540.

It is not an unprimeable number, because it can be changed into a prime (6450541) 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, 53695 + ... + 53814.

It is an arithmetic number, because the mean of its divisors is an integer number (752570).

Almost surely, 2^6450540 is an apocalyptic number.

6450540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6450540 is an abundant number, since it is smaller than the sum of its proper divisors (11611140).

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

6450540 is a wasteful number, since it uses less digits than its factorization.

6450540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107521 (or 107519 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 6450540 is about 2539.7913300112. The cubic root of 6450540 is about 186.1509931279.

The spelling of 6450540 in words is "six million, four hundred fifty thousand, five hundred forty".