6268987 has 2 divisors, whose sum is σ = 6268988. Its totient is φ = 6268986.

The previous prime is 6268981. The next prime is 6268991. The reversal of 6268987 is 7898626.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6268987 - 2³ = 6268979 is a prime.

It is not a weakly prime, because it can be changed into another prime (6268981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134493 + 3134494.

It is an arithmetic number, because the mean of its divisors is an integer number (3134494).

Almost surely, 2^6268987 is an apocalyptic number.

6268987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6268987 is an equidigital number, since it uses as much as digits as its factorization.

6268987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 6268987 is about 2503.7945203231. The cubic root of 6268987 is about 184.3879162454.

The spelling of 6268987 in words is "six million, two hundred sixty-eight thousand, nine hundred eighty-seven".