64824061 has 2 divisors, whose sum is σ = 64824062. Its totient is φ = 64824060.

The previous prime is 64824059. The next prime is 64824103. The reversal of 64824061 is 16042846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 25948836 = 6235^2 + 5094^2 .

It is a cyclic number.

It is not a de Polignac number, because 64824061 - 2¹ = 64824059 is a prime.

Together with 64824059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64824031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32412030 + 32412031.

It is an arithmetic number, because the mean of its divisors is an integer number (32412031).

Almost surely, 2^64824061 is an apocalyptic number.

It is an amenable number.

64824061 is a deficient number, since it is larger than the sum of its proper divisors (1).

64824061 is an equidigital number, since it uses as much as digits as its factorization.

64824061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 64824061 is about 8051.3390811715. The cubic root of 64824061 is about 401.7094775586.

The spelling of 64824061 in words is "sixty-four million, eight hundred twenty-four thousand, sixty-one".