663925411 has 2 divisors, whose sum is σ = 663925412. Its totient is φ = 663925410.

The previous prime is 663925399. The next prime is 663925421. The reversal of 663925411 is 114529366.

663925411 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 is a cyclic number.

It is not a de Polignac number, because 663925411 - 2²⁷ = 529707683 is a prime.

It is a Chen prime.

It is equal to p_34479640 and since 663925411 and 34479640 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (663925421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331962705 + 331962706.

It is an arithmetic number, because the mean of its divisors is an integer number (331962706).

Almost surely, 2^663925411 is an apocalyptic number.

663925411 is a deficient number, since it is larger than the sum of its proper divisors (1).

663925411 is an equidigital number, since it uses as much as digits as its factorization.

663925411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 663925411 is about 25766.7501055139. The cubic root of 663925411 is about 872.3814661511.

The spelling of 663925411 in words is "six hundred sixty-three million, nine hundred twenty-five thousand, four hundred eleven".