64463533 has 2 divisors, whose sum is σ = 64463534. Its totient is φ = 64463532.

The previous prime is 64463513. The next prime is 64463551. The reversal of 64463533 is 33536446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54140164 + 10323369 = 7358^2 + 3213^2 .

It is a cyclic number.

It is not a de Polignac number, because 64463533 - 2¹³ = 64455341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64463513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32231766 + 32231767.

It is an arithmetic number, because the mean of its divisors is an integer number (32231767).

Almost surely, 2^64463533 is an apocalyptic number.

It is an amenable number.

64463533 is a deficient number, since it is larger than the sum of its proper divisors (1).

64463533 is an equidigital number, since it uses as much as digits as its factorization.

64463533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 34.

The square root of 64463533 is about 8028.9185448602. The cubic root of 64463533 is about 400.9633716749.

Adding to 64463533 its reverse (33536446), we get a palindrome (97999979).

The spelling of 64463533 in words is "sixty-four million, four hundred sixty-three thousand, five hundred thirty-three".