655670803 has 2 divisors, whose sum is σ = 655670804. Its totient is φ = 655670802.

The previous prime is 655670789. The next prime is 655670843. The reversal of 655670803 is 308076556.

655670803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (655670843) can be obtained adding 655670803 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655670803 - 2²⁵ = 622116371 is a prime.

It is not a weakly prime, because it can be changed into another prime (655670843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327835401 + 327835402.

It is an arithmetic number, because the mean of its divisors is an integer number (327835402).

Almost surely, 2^655670803 is an apocalyptic number.

655670803 is a deficient number, since it is larger than the sum of its proper divisors (1).

655670803 is an equidigital number, since it uses as much as digits as its factorization.

655670803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 655670803 is about 25606.0696515494. The cubic root of 655670803 is about 868.7509282946.

The spelling of 655670803 in words is "six hundred fifty-five million, six hundred seventy thousand, eight hundred three".