6982621 has 2 divisors, whose sum is σ = 6982622. Its totient is φ = 6982620.

The previous prime is 6982607. The next prime is 6982627. The reversal of 6982621 is 1262896.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6100900 + 881721 = 2470^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 6982621 - 2¹⁵ = 6949853 is a prime.

6982621 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6982627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491310 + 3491311.

It is an arithmetic number, because the mean of its divisors is an integer number (3491311).

Almost surely, 2^6982621 is an apocalyptic number.

It is an amenable number.

6982621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6982621 is an equidigital number, since it uses as much as digits as its factorization.

6982621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 6982621 is about 2642.4649477335. The cubic root of 6982621 is about 191.1346783653.

The spelling of 6982621 in words is "six million, nine hundred eighty-two thousand, six hundred twenty-one".