6497851 has 2 divisors, whose sum is σ = 6497852. Its totient is φ = 6497850.

The previous prime is 6497837. The next prime is 6497857. The reversal of 6497851 is 1587946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6497851 - 2⁵ = 6497819 is a prime.

It is not a weakly prime, because it can be changed into another prime (6497857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248925 + 3248926.

It is an arithmetic number, because the mean of its divisors is an integer number (3248926).

Almost surely, 2^6497851 is an apocalyptic number.

6497851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497851 is an equidigital number, since it uses as much as digits as its factorization.

6497851 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 6497851 is about 2549.0882683815. The cubic root of 6497851 is about 186.6049884803.

The spelling of 6497851 in words is "six million, four hundred ninety-seven thousand, eight hundred fifty-one".