63924251 has 2 divisors, whose sum is σ = 63924252. Its totient is φ = 63924250.

The previous prime is 63924229. The next prime is 63924269. The reversal of 63924251 is 15242936.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63924251 - 2¹⁸ = 63662107 is a prime.

It is a super-2 number, since 2×63924251² = 8172619731822002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63924221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31962125 + 31962126.

It is an arithmetic number, because the mean of its divisors is an integer number (31962126).

Almost surely, 2^63924251 is an apocalyptic number.

63924251 is a deficient number, since it is larger than the sum of its proper divisors (1).

63924251 is an equidigital number, since it uses as much as digits as its factorization.

63924251 is an odious number, because the sum of its binary digits is odd.

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

The square root of 63924251 is about 7995.2642858132. The cubic root of 63924251 is about 399.8421272820.

The spelling of 63924251 in words is "sixty-three million, nine hundred twenty-four thousand, two hundred fifty-one".