6540002 has 16 divisors (see below), whose sum is σ = 11871360. Its totient is φ = 2637888.

The previous prime is 6539989. The next prime is 6540007. The reversal of 6540002 is 2000456.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (6540007) 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, 13502 + ... + 13977.

It is an arithmetic number, because the mean of its divisors is an integer number (741960).

Almost surely, 2^6540002 is an apocalyptic number.

6540002 is a deficient number, since it is larger than the sum of its proper divisors (5331358).

6540002 is a wasteful number, since it uses less digits than its factorization.

6540002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27505.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 6540002 is about 2557.3427615398. The cubic root of 6540002 is about 187.0076159595.

Adding to 6540002 its reverse (2000456), we get a palindrome (8540458).

The spelling of 6540002 in words is "six million, five hundred forty thousand, two".