63872951 has 2 divisors, whose sum is σ = 63872952. Its totient is φ = 63872950.

The previous prime is 63872947. The next prime is 63872959. The reversal of 63872951 is 15927836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63872951 - 2² = 63872947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63872899 and 63872908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63872959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31936475 + 31936476.

It is an arithmetic number, because the mean of its divisors is an integer number (31936476).

Almost surely, 2^63872951 is an apocalyptic number.

63872951 is a deficient number, since it is larger than the sum of its proper divisors (1).

63872951 is an equidigital number, since it uses as much as digits as its factorization.

63872951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 63872951 is about 7992.0554928003. The cubic root of 63872951 is about 399.7351392440.

The spelling of 63872951 in words is "sixty-three million, eight hundred seventy-two thousand, nine hundred fifty-one".