64413101 has 2 divisors, whose sum is σ = 64413102. Its totient is φ = 64413100.

The previous prime is 64413043. The next prime is 64413103. The reversal of 64413101 is 10131446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39363076 + 25050025 = 6274^2 + 5005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64413101 is a prime.

Together with 64413103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64413103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32206550 + 32206551.

It is an arithmetic number, because the mean of its divisors is an integer number (32206551).

Almost surely, 2^64413101 is an apocalyptic number.

It is an amenable number.

64413101 is a deficient number, since it is larger than the sum of its proper divisors (1).

64413101 is an equidigital number, since it uses as much as digits as its factorization.

64413101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 64413101 is about 8025.7772832293. Note that the first 3 decimals coincide. The cubic root of 64413101 is about 400.8587819975.

Adding to 64413101 its reverse (10131446), we get a palindrome (74544547).

The spelling of 64413101 in words is "sixty-four million, four hundred thirteen thousand, one hundred one".