64332061 has 2 divisors, whose sum is σ = 64332062. Its totient is φ = 64332060.

The previous prime is 64332041. The next prime is 64332067. The reversal of 64332061 is 16023346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43811161 + 20520900 = 6619^2 + 4530^2 .

It is a cyclic number.

It is not a de Polignac number, because 64332061 - 2¹⁷ = 64200989 is a prime.

It is a super-2 number, since 2×64332061² = 8277228145015442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64332067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32166030 + 32166031.

It is an arithmetic number, because the mean of its divisors is an integer number (32166031).

Almost surely, 2^64332061 is an apocalyptic number.

It is an amenable number.

64332061 is a deficient number, since it is larger than the sum of its proper divisors (1).

64332061 is an equidigital number, since it uses as much as digits as its factorization.

64332061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 64332061 is about 8020.7269620652. The cubic root of 64332061 is about 400.6906007404.

The spelling of 64332061 in words is "sixty-four million, three hundred thirty-two thousand, sixty-one".