63945341 has 2 divisors, whose sum is σ = 63945342. Its totient is φ = 63945340.

The previous prime is 63945331. The next prime is 63945367. The reversal of 63945341 is 14354936.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63664441 + 280900 = 7979^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 63945341 - 2¹⁴ = 63928957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63945311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31972670 + 31972671.

It is an arithmetic number, because the mean of its divisors is an integer number (31972671).

Almost surely, 2^63945341 is an apocalyptic number.

It is an amenable number.

63945341 is a deficient number, since it is larger than the sum of its proper divisors (1).

63945341 is an equidigital number, since it uses as much as digits as its factorization.

63945341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 63945341 is about 7996.5830827923. The cubic root of 63945341 is about 399.8860946503.

The spelling of 63945341 in words is "sixty-three million, nine hundred forty-five thousand, three hundred forty-one".