6980515 has 4 divisors (see below), whose sum is σ = 8376624. Its totient is φ = 5584408.

The previous prime is 6980509. The next prime is 6980521. The reversal of 6980515 is 5150896.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6980509) and next prime (6980521).

It is a cyclic number.

It is not a de Polignac number, because 6980515 - 2¹¹ = 6978467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 698047 + ... + 698056.

It is an arithmetic number, because the mean of its divisors is an integer number (2094156).

Almost surely, 2^6980515 is an apocalyptic number.

6980515 is a deficient number, since it is larger than the sum of its proper divisors (1396109).

6980515 is a wasteful number, since it uses less digits than its factorization.

6980515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396108.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 6980515 is about 2642.0664261142. The cubic root of 6980515 is about 191.1154606481.

The spelling of 6980515 in words is "six million, nine hundred eighty thousand, five hundred fifteen".