64951087 has 2 divisors, whose sum is σ = 64951088. Its totient is φ = 64951086.

The previous prime is 64951009. The next prime is 64951091. The reversal of 64951087 is 78015946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64951087 - 2¹¹ = 64949039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64951987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32475543 + 32475544.

It is an arithmetic number, because the mean of its divisors is an integer number (32475544).

Almost surely, 2^64951087 is an apocalyptic number.

64951087 is a deficient number, since it is larger than the sum of its proper divisors (1).

64951087 is an equidigital number, since it uses as much as digits as its factorization.

64951087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 64951087 is about 8059.2237219226. The cubic root of 64951087 is about 401.9716963151.

The spelling of 64951087 in words is "sixty-four million, nine hundred fifty-one thousand, eighty-seven".