64046251 has 2 divisors, whose sum is σ = 64046252. Its totient is φ = 64046250.

The previous prime is 64046249. The next prime is 64046261. The reversal of 64046251 is 15264046.

64046251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64046251 - 2¹ = 64046249 is a prime.

Together with 64046249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64046261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32023125 + 32023126.

It is an arithmetic number, because the mean of its divisors is an integer number (32023126).

Almost surely, 2^64046251 is an apocalyptic number.

64046251 is a deficient number, since it is larger than the sum of its proper divisors (1).

64046251 is an equidigital number, since it uses as much as digits as its factorization.

64046251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 64046251 is about 8002.8901654340. The cubic root of 64046251 is about 400.0963330480.

The spelling of 64046251 in words is "sixty-four million, forty-six thousand, two hundred fifty-one".