64306141 has 2 divisors, whose sum is σ = 64306142. Its totient is φ = 64306140.

The previous prime is 64306133. The next prime is 64306157. The reversal of 64306141 is 14160346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60000516 + 4305625 = 7746^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 64306141 - 2³ = 64306133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64306171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32153070 + 32153071.

It is an arithmetic number, because the mean of its divisors is an integer number (32153071).

Almost surely, 2^64306141 is an apocalyptic number.

It is an amenable number.

64306141 is a deficient number, since it is larger than the sum of its proper divisors (1).

64306141 is an equidigital number, since it uses as much as digits as its factorization.

64306141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 64306141 is about 8019.1109856392. The cubic root of 64306141 is about 400.6367794918.

Adding to 64306141 its reverse (14160346), we get a palindrome (78466487).

The spelling of 64306141 in words is "sixty-four million, three hundred six thousand, one hundred forty-one".