64532011 has 2 divisors, whose sum is σ = 64532012. Its totient is φ = 64532010.

The previous prime is 64532003. The next prime is 64532023. The reversal of 64532011 is 11023546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64532011 - 2³ = 64532003 is a prime.

It is not a weakly prime, because it can be changed into another prime (64532071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32266005 + 32266006.

It is an arithmetic number, because the mean of its divisors is an integer number (32266006).

Almost surely, 2^64532011 is an apocalyptic number.

64532011 is a deficient number, since it is larger than the sum of its proper divisors (1).

64532011 is an equidigital number, since it uses as much as digits as its factorization.

64532011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 64532011 is about 8033.1818727077. The cubic root of 64532011 is about 401.1052992209.

Adding to 64532011 its reverse (11023546), we get a palindrome (75555557).

It can be divided in two parts, 6453 and 2011, that added together give a square (8464 = 92²).

The spelling of 64532011 in words is "sixty-four million, five hundred thirty-two thousand, eleven".