64342529 has 2 divisors, whose sum is σ = 64342530. Its totient is φ = 64342528.

The previous prime is 64342517. The next prime is 64342541. The reversal of 64342529 is 92524346.

It is a balanced prime because it is at equal distance from previous prime (64342517) and next prime (64342541).

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 9241600 = 7423^2 + 3040^2 .

It is a cyclic number.

It is not a de Polignac number, because 64342529 - 2¹² = 64338433 is a prime.

It is a super-2 number, since 2×64342529² = 8279922076231682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64342549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32171264 + 32171265.

It is an arithmetic number, because the mean of its divisors is an integer number (32171265).

Almost surely, 2^64342529 is an apocalyptic number.

It is an amenable number.

64342529 is a deficient number, since it is larger than the sum of its proper divisors (1).

64342529 is an equidigital number, since it uses as much as digits as its factorization.

64342529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 64342529 is about 8021.3794948251. The cubic root of 64342529 is about 400.7123327853.

The spelling of 64342529 in words is "sixty-four million, three hundred forty-two thousand, five hundred twenty-nine".