64481101 has 2 divisors, whose sum is σ = 64481102. Its totient is φ = 64481100.

The previous prime is 64481093. The next prime is 64481111. The reversal of 64481101 is 10118446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58155876 + 6325225 = 7626^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 64481101 - 2³ = 64481093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64481111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32240550 + 32240551.

It is an arithmetic number, because the mean of its divisors is an integer number (32240551).

Almost surely, 2^64481101 is an apocalyptic number.

It is an amenable number.

64481101 is a deficient number, since it is larger than the sum of its proper divisors (1).

64481101 is an equidigital number, since it uses as much as digits as its factorization.

64481101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 64481101 is about 8030.0125155569. The cubic root of 64481101 is about 400.9997927043. Note that the first 3 decimals are identical.

Adding to 64481101 its reverse (10118446), we get a palindrome (74599547).

The spelling of 64481101 in words is "sixty-four million, four hundred eighty-one thousand, one hundred one".