64138301 has 2 divisors, whose sum is σ = 64138302. Its totient is φ = 64138300.

The previous prime is 64138289. The next prime is 64138337. The reversal of 64138301 is 10383146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36312676 + 27825625 = 6026^2 + 5275^2 .

It is a cyclic number.

It is not a de Polignac number, because 64138301 - 2²² = 59943997 is a prime.

It is a super-2 number, since 2×64138301² = 8227443310333202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64138351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32069150 + 32069151.

It is an arithmetic number, because the mean of its divisors is an integer number (32069151).

Almost surely, 2^64138301 is an apocalyptic number.

It is an amenable number.

64138301 is a deficient number, since it is larger than the sum of its proper divisors (1).

64138301 is an equidigital number, since it uses as much as digits as its factorization.

64138301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 64138301 is about 8008.6391478203. The cubic root of 64138301 is about 400.2879197891.

The spelling of 64138301 in words is "sixty-four million, one hundred thirty-eight thousand, three hundred one".