65135803 has 2 divisors, whose sum is σ = 65135804. Its totient is φ = 65135802.

The previous prime is 65135801. The next prime is 65135821. The reversal of 65135803 is 30853156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65135803 - 2¹ = 65135801 is a prime.

Together with 65135801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65135801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32567901 + 32567902.

It is an arithmetic number, because the mean of its divisors is an integer number (32567902).

Almost surely, 2^65135803 is an apocalyptic number.

65135803 is a deficient number, since it is larger than the sum of its proper divisors (1).

65135803 is an equidigital number, since it uses as much as digits as its factorization.

65135803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 65135803 is about 8070.6754983706. The cubic root of 65135803 is about 402.3523947276.

Adding to 65135803 its reverse (30853156), we get a palindrome (95988959).

The spelling of 65135803 in words is "sixty-five million, one hundred thirty-five thousand, eight hundred three".