6977491 has 2 divisors, whose sum is σ = 6977492. Its totient is φ = 6977490.

The previous prime is 6977489. The next prime is 6977527. The reversal of 6977491 is 1947796.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6977491 - 2¹ = 6977489 is a prime.

Together with 6977489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6977431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488745 + 3488746.

It is an arithmetic number, because the mean of its divisors is an integer number (3488746).

Almost surely, 2^6977491 is an apocalyptic number.

6977491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977491 is an equidigital number, since it uses as much as digits as its factorization.

6977491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 6977491 is about 2641.4940847937. The cubic root of 6977491 is about 191.0878592162.

The spelling of 6977491 in words is "six million, nine hundred seventy-seven thousand, four hundred ninety-one".