64534627 has 2 divisors, whose sum is σ = 64534628. Its totient is φ = 64534626.

The previous prime is 64534607. The next prime is 64534667. The reversal of 64534627 is 72643546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64534627 - 2¹¹ = 64532579 is a prime.

It is not a weakly prime, because it can be changed into another prime (64534607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32267313 + 32267314.

It is an arithmetic number, because the mean of its divisors is an integer number (32267314).

Almost surely, 2^64534627 is an apocalyptic number.

64534627 is a deficient number, since it is larger than the sum of its proper divisors (1).

64534627 is an equidigital number, since it uses as much as digits as its factorization.

64534627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 64534627 is about 8033.3446957043. The cubic root of 64534627 is about 401.1107191526.

The spelling of 64534627 in words is "sixty-four million, five hundred thirty-four thousand, six hundred twenty-seven".