63620941 has 2 divisors, whose sum is σ = 63620942. Its totient is φ = 63620940.

The previous prime is 63620927. The next prime is 63620993. The reversal of 63620941 is 14902636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 84100 = 7971^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 63620941 - 2¹³ = 63612749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60620941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31810470 + 31810471.

It is an arithmetic number, because the mean of its divisors is an integer number (31810471).

Almost surely, 2^63620941 is an apocalyptic number.

It is an amenable number.

63620941 is a deficient number, since it is larger than the sum of its proper divisors (1).

63620941 is an equidigital number, since it uses as much as digits as its factorization.

63620941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 63620941 is about 7976.2736287066. The cubic root of 63620941 is about 399.2087295097.

The spelling of 63620941 in words is "sixty-three million, six hundred twenty thousand, nine hundred forty-one".