947964503 has 2 divisors, whose sum is σ = 947964504. Its totient is φ = 947964502.

The previous prime is 947964443. The next prime is 947964533. The reversal of 947964503 is 305469749.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 947964503 - 2⁸ = 947964247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947964533) 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, 473982251 + 473982252.

It is an arithmetic number, because the mean of its divisors is an integer number (473982252).

Almost surely, 2^947964503 is an apocalyptic number.

947964503 is a deficient number, since it is larger than the sum of its proper divisors (1).

947964503 is an equidigital number, since it uses as much as digits as its factorization.

947964503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 947964503 is about 30789.0321868031. The cubic root of 947964503 is about 982.3449685566.

It can be divided in two parts, 94796 and 4503, that added together give a palindrome (99299).

The spelling of 947964503 in words is "nine hundred forty-seven million, nine hundred sixty-four thousand, five hundred three".