6851479 has 2 divisors, whose sum is σ = 6851480. Its totient is φ = 6851478.

The previous prime is 6851461. The next prime is 6851483. The reversal of 6851479 is 9741586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6851479 - 2⁹ = 6850967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6851489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425739 + 3425740.

It is an arithmetic number, because the mean of its divisors is an integer number (3425740).

Almost surely, 2^6851479 is an apocalyptic number.

6851479 is a deficient number, since it is larger than the sum of its proper divisors (1).

6851479 is an equidigital number, since it uses as much as digits as its factorization.

6851479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 6851479 is about 2617.5329988369. The cubic root of 6851479 is about 189.9305286183.

The spelling of 6851479 in words is "six million, eight hundred fifty-one thousand, four hundred seventy-nine".