64298543 has 2 divisors, whose sum is σ = 64298544. Its totient is φ = 64298542.

The previous prime is 64298497. The next prime is 64298551. The reversal of 64298543 is 34589246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64298543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64298543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64238543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32149271 + 32149272.

It is an arithmetic number, because the mean of its divisors is an integer number (32149272).

Almost surely, 2^64298543 is an apocalyptic number.

64298543 is a deficient number, since it is larger than the sum of its proper divisors (1).

64298543 is an equidigital number, since it uses as much as digits as its factorization.

64298543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 64298543 is about 8018.6372283574. The cubic root of 64298543 is about 400.6209999820.

The spelling of 64298543 in words is "sixty-four million, two hundred ninety-eight thousand, five hundred forty-three".