65281703 has 2 divisors, whose sum is σ = 65281704. Its totient is φ = 65281702.

The previous prime is 65281693. The next prime is 65281721. The reversal of 65281703 is 30718256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65281703 - 2¹⁶ = 65216167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65281703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65281763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32640851 + 32640852.

It is an arithmetic number, because the mean of its divisors is an integer number (32640852).

Almost surely, 2^65281703 is an apocalyptic number.

65281703 is a deficient number, since it is larger than the sum of its proper divisors (1).

65281703 is an equidigital number, since it uses as much as digits as its factorization.

65281703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 65281703 is about 8079.7093388314. The cubic root of 65281703 is about 402.6525851794.

Adding to 65281703 its reverse (30718256), we get a palindrome (95999959).

The spelling of 65281703 in words is "sixty-five million, two hundred eighty-one thousand, seven hundred three".