64105453 has 4 divisors (see below), whose sum is σ = 67876380. Its totient is φ = 60334528.

The previous prime is 64105441. The next prime is 64105463. The reversal of 64105453 is 35450146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53846244 + 10259209 = 7338^2 + 3203^2 .

It is a cyclic number.

It is not a de Polignac number, because 64105453 - 2⁵ = 64105421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64105463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885438 + ... + 1885471.

It is an arithmetic number, because the mean of its divisors is an integer number (16969095).

Almost surely, 2^64105453 is an apocalyptic number.

It is an amenable number.

64105453 is a deficient number, since it is larger than the sum of its proper divisors (3770927).

64105453 is a wasteful number, since it uses less digits than its factorization.

64105453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770926.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 64105453 is about 8006.5880998088. The cubic root of 64105453 is about 400.2195731970.

Adding to 64105453 its reverse (35450146), we get a palindrome (99555599).

The spelling of 64105453 in words is "sixty-four million, one hundred five thousand, four hundred fifty-three".