63261841 has 2 divisors, whose sum is σ = 63261842. Its totient is φ = 63261840.

The previous prime is 63261839. The next prime is 63261851. The reversal of 63261841 is 14816236.

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., 36180225 + 27081616 = 6015^2 + 5204^2 .

It is a cyclic number.

It is not a de Polignac number, because 63261841 - 2¹ = 63261839 is a prime.

Together with 63261839, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63261851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31630920 + 31630921.

It is an arithmetic number, because the mean of its divisors is an integer number (31630921).

Almost surely, 2^63261841 is an apocalyptic number.

It is an amenable number.

63261841 is a deficient number, since it is larger than the sum of its proper divisors (1).

63261841 is an equidigital number, since it uses as much as digits as its factorization.

63261841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 63261841 is about 7953.7312627471. The cubic root of 63261841 is about 398.4562182599.

The spelling of 63261841 in words is "sixty-three million, two hundred sixty-one thousand, eight hundred forty-one".