945866653 has 2 divisors, whose sum is σ = 945866654. Its totient is φ = 945866652.

The previous prime is 945866633. The next prime is 945866659. The reversal of 945866653 is 356668549.

945866653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574225369 + 371641284 = 23963^2 + 19278^2 .

It is an emirp because it is prime and its reverse (356668549) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945866653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 945866653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945866659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472933326 + 472933327.

It is an arithmetic number, because the mean of its divisors is an integer number (472933327).

Almost surely, 2^945866653 is an apocalyptic number.

It is an amenable number.

945866653 is a deficient number, since it is larger than the sum of its proper divisors (1).

945866653 is an equidigital number, since it uses as much as digits as its factorization.

945866653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The square root of 945866653 is about 30754.9451795967. The cubic root of 945866653 is about 981.6197886392.

The spelling of 945866653 in words is "nine hundred forty-five million, eight hundred sixty-six thousand, six hundred fifty-three".