6920131 has 2 divisors, whose sum is σ = 6920132. Its totient is φ = 6920130.

The previous prime is 6920129. The next prime is 6920149. The reversal of 6920131 is 1310296.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6920131 - 2¹ = 6920129 is a prime.

It is a super-2 number, since 2×6920131² = 95776426114322, which contains 22 as substring.

Together with 6920129, it forms a pair of twin primes.

6920131 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6920101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460065 + 3460066.

It is an arithmetic number, because the mean of its divisors is an integer number (3460066).

Almost surely, 2^6920131 is an apocalyptic number.

6920131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920131 is an equidigital number, since it uses as much as digits as its factorization.

6920131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 6920131 is about 2630.6141868393. The cubic root of 6920131 is about 190.5627911673.

The spelling of 6920131 in words is "six million, nine hundred twenty thousand, one hundred thirty-one".