6872251 has 2 divisors, whose sum is σ = 6872252. Its totient is φ = 6872250.

The previous prime is 6872237. The next prime is 6872273. The reversal of 6872251 is 1522786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6872251 - 2⁵ = 6872219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6872231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436125 + 3436126.

It is an arithmetic number, because the mean of its divisors is an integer number (3436126).

Almost surely, 2^6872251 is an apocalyptic number.

6872251 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872251 is an equidigital number, since it uses as much as digits as its factorization.

6872251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 6872251 is about 2621.4978542810. The cubic root of 6872251 is about 190.1222758622.

The spelling of 6872251 in words is "six million, eight hundred seventy-two thousand, two hundred fifty-one".