65129803 has 2 divisors, whose sum is σ = 65129804. Its totient is φ = 65129802.

The previous prime is 65129741. The next prime is 65129807. The reversal of 65129803 is 30892156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65129803 - 2⁹ = 65129291 is a prime.

It is not a weakly prime, because it can be changed into another prime (65129807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32564901 + 32564902.

It is an arithmetic number, because the mean of its divisors is an integer number (32564902).

Almost surely, 2^65129803 is an apocalyptic number.

65129803 is a deficient number, since it is larger than the sum of its proper divisors (1).

65129803 is an equidigital number, since it uses as much as digits as its factorization.

65129803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 65129803 is about 8070.3037737126. The cubic root of 65129803 is about 402.3400400861.

The spelling of 65129803 in words is "sixty-five million, one hundred twenty-nine thousand, eight hundred three".