65321003 has 6 divisors (see below), whose sum is σ = 71799252. Its totient is φ = 59382620.

The previous prime is 65320991. The next prime is 65321041. The reversal of 65321003 is 30012356.

It is not a de Polignac number, because 65321003 - 2¹⁰ = 65319979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65321303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269801 + ... + 270042.

It is an arithmetic number, because the mean of its divisors is an integer number (11966542).

Almost surely, 2^65321003 is an apocalyptic number.

65321003 is a deficient number, since it is larger than the sum of its proper divisors (6478249).

65321003 is a wasteful number, since it uses less digits than its factorization.

65321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539865 (or 539854 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 65321003 is about 8082.1409910988. The cubic root of 65321003 is about 402.7333687757.

Adding to 65321003 its reverse (30012356), we get a palindrome (95333359).

The spelling of 65321003 in words is "sixty-five million, three hundred twenty-one thousand, three".