65144003 has 2 divisors, whose sum is σ = 65144004. Its totient is φ = 65144002.

The previous prime is 65143997. The next prime is 65144041. The reversal of 65144003 is 30044156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65144003 - 2¹⁶ = 65078467 is a prime.

It is a super-2 number, since 2×65144003² = 8487482253728018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65144003.

It is not a weakly prime, because it can be changed into another prime (65144503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32572001 + 32572002.

It is an arithmetic number, because the mean of its divisors is an integer number (32572002).

Almost surely, 2^65144003 is an apocalyptic number.

65144003 is a deficient number, since it is larger than the sum of its proper divisors (1).

65144003 is an equidigital number, since it uses as much as digits as its factorization.

65144003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 65144003 is about 8071.1834943830. The cubic root of 65144003 is about 402.3692781775.

Adding to 65144003 its reverse (30044156), we get a palindrome (95188159).

The spelling of 65144003 in words is "sixty-five million, one hundred forty-four thousand, three".