6980505 has 32 divisors (see below), whose sum is σ = 13440000. Its totient is φ = 3022272.

The previous prime is 6980497. The next prime is 6980509. The reversal of 6980505 is 5050896.

It is not a de Polignac number, because 6980505 - 2³ = 6980497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6980509) 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 31 ways as a sum of consecutive naturals, for example, 246 + ... + 3744.

It is an arithmetic number, because the mean of its divisors is an integer number (420000).

Almost surely, 2^6980505 is an apocalyptic number.

It is an amenable number.

6980505 is a deficient number, since it is larger than the sum of its proper divisors (6459495).

6980505 is a wasteful number, since it uses less digits than its factorization.

6980505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 6980505 is about 2642.0645336555. The cubic root of 6980505 is about 191.1153693866.

The spelling of 6980505 in words is "six million, nine hundred eighty thousand, five hundred five".