68563051 has 2 divisors, whose sum is σ = 68563052. Its totient is φ = 68563050.

The previous prime is 68563037. The next prime is 68563087. The reversal of 68563051 is 15036586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68563051 - 2⁹ = 68562539 is a prime.

It is equal to p_4038487 and since 68563051 and 4038487 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 68562998 and 68563016.

It is not a weakly prime, because it can be changed into another prime (68563021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34281525 + 34281526.

It is an arithmetic number, because the mean of its divisors is an integer number (34281526).

Almost surely, 2^68563051 is an apocalyptic number.

68563051 is a deficient number, since it is larger than the sum of its proper divisors (1).

68563051 is an equidigital number, since it uses as much as digits as its factorization.

68563051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 68563051 is about 8280.2808527247. The cubic root of 68563051 is about 409.2889738706.

It can be divided in two parts, 685 and 63051, that added together give a palindrome (63736).

The spelling of 68563051 in words is "sixty-eight million, five hundred sixty-three thousand, fifty-one".