65103530 has 16 divisors (see below), whose sum is σ = 117286920. Its totient is φ = 26019072.

The previous prime is 65103529. The next prime is 65103539. The reversal of 65103530 is 3530156.

It can be written as a sum of positive squares in 4 ways, for example, as 34445161 + 30658369 = 5869^2 + 5537^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65103496 and 65103505.

It is not an unprimeable number, because it can be changed into a prime (65103539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14606 + ... + 18534.

Almost surely, 2^65103530 is an apocalyptic number.

65103530 is a deficient number, since it is larger than the sum of its proper divisors (52183390).

65103530 is a wasteful number, since it uses less digits than its factorization.

65103530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 65103530 is about 8068.6758517120. The cubic root of 65103530 is about 402.2859322323.

Adding to 65103530 its reverse (3530156), we get a palindrome (68633686).

The spelling of 65103530 in words is "sixty-five million, one hundred three thousand, five hundred thirty".