64529029 has 2 divisors, whose sum is σ = 64529030. Its totient is φ = 64529028.

The previous prime is 64529021. The next prime is 64529051. The reversal of 64529029 is 92092546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64032004 + 497025 = 8002^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 64529029 - 2³ = 64529021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64529021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32264514 + 32264515.

It is an arithmetic number, because the mean of its divisors is an integer number (32264515).

Almost surely, 2^64529029 is an apocalyptic number.

It is an amenable number.

64529029 is a deficient number, since it is larger than the sum of its proper divisors (1).

64529029 is an equidigital number, since it uses as much as digits as its factorization.

64529029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 64529029 is about 8032.9962654043. The cubic root of 64529029 is about 401.0991208173.

The spelling of 64529029 in words is "sixty-four million, five hundred twenty-nine thousand, twenty-nine".