64824047 has 2 divisors, whose sum is σ = 64824048. Its totient is φ = 64824046.

The previous prime is 64824031. The next prime is 64824059. The reversal of 64824047 is 74042846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64824047 - 2⁴ = 64824031 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64823998 and 64824016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64824547) 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, 32412023 + 32412024.

It is an arithmetic number, because the mean of its divisors is an integer number (32412024).

Almost surely, 2^64824047 is an apocalyptic number.

64824047 is a deficient number, since it is larger than the sum of its proper divisors (1).

64824047 is an equidigital number, since it uses as much as digits as its factorization.

64824047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 64824047 is about 8051.3382117509. The cubic root of 64824047 is about 401.7094486397.

The spelling of 64824047 in words is "sixty-four million, eight hundred twenty-four thousand, forty-seven".