64533527 has 2 divisors, whose sum is σ = 64533528. Its totient is φ = 64533526.

The previous prime is 64533523. The next prime is 64533569. The reversal of 64533527 is 72533546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64533527 - 2² = 64533523 is a prime.

It is a super-2 number, since 2×64533527² = 8329152214119458, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64533523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32266763 + 32266764.

It is an arithmetic number, because the mean of its divisors is an integer number (32266764).

Almost surely, 2^64533527 is an apocalyptic number.

64533527 is a deficient number, since it is larger than the sum of its proper divisors (1).

64533527 is an equidigital number, since it uses as much as digits as its factorization.

64533527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 64533527 is about 8033.2762307791. The cubic root of 64533527 is about 401.1084401472.

The spelling of 64533527 in words is "sixty-four million, five hundred thirty-three thousand, five hundred twenty-seven".