65213003 has 16 divisors (see below), whose sum is σ = 70870464. Its totient is φ = 59781120.

The previous prime is 65212993. The next prime is 65213009. The reversal of 65213003 is 30031256.

65213003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65213003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65213009) 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 in 15 ways as a sum of consecutive naturals, for example, 116801 + ... + 117357.

It is an arithmetic number, because the mean of its divisors is an integer number (4429404).

Almost surely, 2^65213003 is an apocalyptic number.

65213003 is a deficient number, since it is larger than the sum of its proper divisors (5657461).

65213003 is a wasteful number, since it uses less digits than its factorization.

65213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

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

The square root of 65213003 is about 8075.4568291831. The cubic root of 65213003 is about 402.5112901428.

Adding to 65213003 its reverse (30031256), we get a palindrome (95244259).

The spelling of 65213003 in words is "sixty-five million, two hundred thirteen thousand, three".