64043003 has 2 divisors, whose sum is σ = 64043004. Its totient is φ = 64043002.

The previous prime is 64042987. The next prime is 64043011. The reversal of 64043003 is 30034046.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64043003 - 2⁴ = 64042987 is a prime.

It is not a weakly prime, because it can be changed into another prime (64042003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32021501 + 32021502.

It is an arithmetic number, because the mean of its divisors is an integer number (32021502).

Almost surely, 2^64043003 is an apocalyptic number.

64043003 is a deficient number, since it is larger than the sum of its proper divisors (1).

64043003 is an equidigital number, since it uses as much as digits as its factorization.

64043003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 64043003 is about 8002.6872361726. The cubic root of 64043003 is about 400.0895695251.

Adding to 64043003 its reverse (30034046), we get a palindrome (94077049).

The spelling of 64043003 in words is "sixty-four million, forty-three thousand, three".