6725987 has 2 divisors, whose sum is σ = 6725988. Its totient is φ = 6725986.

The previous prime is 6725969. The next prime is 6726023. The reversal of 6725987 is 7895276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6725987 - 2⁶ = 6725923 is a prime.

It is a super-2 number, since 2×6725987² = 90477802248338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6725687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362993 + 3362994.

It is an arithmetic number, because the mean of its divisors is an integer number (3362994).

Almost surely, 2^6725987 is an apocalyptic number.

6725987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6725987 is an equidigital number, since it uses as much as digits as its factorization.

6725987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 6725987 is about 2593.4507899708. The cubic root of 6725987 is about 188.7637839151.

The spelling of 6725987 in words is "six million, seven hundred twenty-five thousand, nine hundred eighty-seven".