63861053 has 2 divisors, whose sum is σ = 63861054. Its totient is φ = 63861052.

The previous prime is 63861019. The next prime is 63861073. The reversal of 63861053 is 35016836.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35366809 + 28494244 = 5947^2 + 5338^2 .

It is a cyclic number.

It is not a de Polignac number, because 63861053 - 2¹² = 63856957 is a prime.

It is a Chen prime.

It is equal to p_3777305 and since 63861053 and 3777305 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63861073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31930526 + 31930527.

It is an arithmetic number, because the mean of its divisors is an integer number (31930527).

Almost surely, 2^63861053 is an apocalyptic number.

It is an amenable number.

63861053 is a deficient number, since it is larger than the sum of its proper divisors (1).

63861053 is an equidigital number, since it uses as much as digits as its factorization.

63861053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 63861053 is about 7991.3110939320. The cubic root of 63861053 is about 399.7103173439.

Adding to 63861053 its reverse (35016836), we get a palindrome (98877889).

The spelling of 63861053 in words is "sixty-three million, eight hundred sixty-one thousand, fifty-three".