64354453 has 2 divisors, whose sum is σ = 64354454. Its totient is φ = 64354452.

The previous prime is 64354447. The next prime is 64354513. The reversal of 64354453 is 35445346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52678564 + 11675889 = 7258^2 + 3417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64354453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64354403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32177226 + 32177227.

It is an arithmetic number, because the mean of its divisors is an integer number (32177227).

Almost surely, 2^64354453 is an apocalyptic number.

It is an amenable number.

64354453 is a deficient number, since it is larger than the sum of its proper divisors (1).

64354453 is an equidigital number, since it uses as much as digits as its factorization.

64354453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 34.

The square root of 64354453 is about 8022.1227240675. The cubic root of 64354453 is about 400.7370846812.

Adding to 64354453 its reverse (35445346), we get a palindrome (99799799).

The spelling of 64354453 in words is "sixty-four million, three hundred fifty-four thousand, four hundred fifty-three".