64067131 has 2 divisors, whose sum is σ = 64067132. Its totient is φ = 64067130.

The previous prime is 64067117. The next prime is 64067149. The reversal of 64067131 is 13176046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64067131 - 2⁵ = 64067099 is a prime.

It is a super-2 number, since 2×64067131² = 8209194549142322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64067131.

It is not a weakly prime, because it can be changed into another prime (64067161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033565 + 32033566.

It is an arithmetic number, because the mean of its divisors is an integer number (32033566).

Almost surely, 2^64067131 is an apocalyptic number.

64067131 is a deficient number, since it is larger than the sum of its proper divisors (1).

64067131 is an equidigital number, since it uses as much as digits as its factorization.

64067131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 64067131 is about 8004.1945878396. The cubic root of 64067131 is about 400.1398073790.

The spelling of 64067131 in words is "sixty-four million, sixty-seven thousand, one hundred thirty-one".