64486267 has 2 divisors, whose sum is σ = 64486268. Its totient is φ = 64486266.

The previous prime is 64486249. The next prime is 64486297. The reversal of 64486267 is 76268446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64486267 - 2⁷ = 64486139 is a prime.

It is not a weakly prime, because it can be changed into another prime (64486217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32243133 + 32243134.

It is an arithmetic number, because the mean of its divisors is an integer number (32243134).

Almost surely, 2^64486267 is an apocalyptic number.

64486267 is a deficient number, since it is larger than the sum of its proper divisors (1).

64486267 is an equidigital number, since it uses as much as digits as its factorization.

64486267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 43.

The square root of 64486267 is about 8030.3341773553. The cubic root of 64486267 is about 401.0105013181.

The spelling of 64486267 in words is "sixty-four million, four hundred eighty-six thousand, two hundred sixty-seven".