64782503 has 2 divisors, whose sum is σ = 64782504. Its totient is φ = 64782502.

The previous prime is 64782481. The next prime is 64782527. The reversal of 64782503 is 30528746.

It is a happy number.

64782503 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 64782503 - 2¹² = 64778407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64782203) 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, 32391251 + 32391252.

It is an arithmetic number, because the mean of its divisors is an integer number (32391252).

Almost surely, 2^64782503 is an apocalyptic number.

64782503 is a deficient number, since it is larger than the sum of its proper divisors (1).

64782503 is an equidigital number, since it uses as much as digits as its factorization.

64782503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 64782503 is about 8048.7578544767. The cubic root of 64782503 is about 401.6236153495.

The spelling of 64782503 in words is "sixty-four million, seven hundred eighty-two thousand, five hundred three".