6561802 has 32 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 2783808.

The previous prime is 6561791. The next prime is 6561809. The reversal of 6561802 is 2081656.

It is not an unprimeable number, because it can be changed into a prime (6561809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18099 + ... + 18457.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^6561802 is an apocalyptic number.

6561802 is a deficient number, since it is larger than the sum of its proper divisors (4929398).

6561802 is a wasteful number, since it uses less digits than its factorization.

6561802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 6561802 is about 2561.6014522170. The cubic root of 6561802 is about 187.2151716890.

The spelling of 6561802 in words is "six million, five hundred sixty-one thousand, eight hundred two".