478224653 has 2 divisors, whose sum is σ = 478224654. Its totient is φ = 478224652.

The previous prime is 478224641. The next prime is 478224673. The reversal of 478224653 is 356422874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459544969 + 18679684 = 21437^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 478224653 - 2¹⁶ = 478159117 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478224653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478224613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239112326 + 239112327.

It is an arithmetic number, because the mean of its divisors is an integer number (239112327).

Almost surely, 2^478224653 is an apocalyptic number.

It is an amenable number.

478224653 is a deficient number, since it is larger than the sum of its proper divisors (1).

478224653 is an equidigital number, since it uses as much as digits as its factorization.

478224653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The square root of 478224653 is about 21868.3482000813. The cubic root of 478224653 is about 782.0070233734.

The spelling of 478224653 in words is "four hundred seventy-eight million, two hundred twenty-four thousand, six hundred fifty-three".