63953941 has 2 divisors, whose sum is σ = 63953942. Its totient is φ = 63953940.

The previous prime is 63953917. The next prime is 63953963. The reversal of 63953941 is 14935936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35640900 + 28313041 = 5970^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 63953941 - 2²¹ = 61856789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63953894 and 63953903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63953641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31976970 + 31976971.

It is an arithmetic number, because the mean of its divisors is an integer number (31976971).

Almost surely, 2^63953941 is an apocalyptic number.

It is an amenable number.

63953941 is a deficient number, since it is larger than the sum of its proper divisors (1).

63953941 is an equidigital number, since it uses as much as digits as its factorization.

63953941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 40.

The square root of 63953941 is about 7997.1207943859. The cubic root of 63953941 is about 399.9040207218.

The spelling of 63953941 in words is "sixty-three million, nine hundred fifty-three thousand, nine hundred forty-one".