64455241 has 2 divisors, whose sum is σ = 64455242. Its totient is φ = 64455240.

The previous prime is 64455233. The next prime is 64455247. The reversal of 64455241 is 14255446.

It is a happy number.

64455241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35521600 + 28933641 = 5960^2 + 5379^2 .

It is a cyclic number.

It is not a de Polignac number, because 64455241 - 2³ = 64455233 is a prime.

It is a super-3 number, since 3×64455241³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (64455247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32227620 + 32227621.

It is an arithmetic number, because the mean of its divisors is an integer number (32227621).

Almost surely, 2^64455241 is an apocalyptic number.

It is an amenable number.

64455241 is a deficient number, since it is larger than the sum of its proper divisors (1).

64455241 is an equidigital number, since it uses as much as digits as its factorization.

64455241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 64455241 is about 8028.4021448854. The cubic root of 64455241 is about 400.9461788492.

The spelling of 64455241 in words is "sixty-four million, four hundred fifty-five thousand, two hundred forty-one".