65903797 has 2 divisors, whose sum is σ = 65903798. Its totient is φ = 65903796.

The previous prime is 65903759. The next prime is 65903807. The reversal of 65903797 is 79730956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 19131876 = 6839^2 + 4374^2 .

It is a cyclic number.

It is not a de Polignac number, because 65903797 - 2¹¹ = 65901749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65903897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32951898 + 32951899.

It is an arithmetic number, because the mean of its divisors is an integer number (32951899).

Almost surely, 2^65903797 is an apocalyptic number.

It is an amenable number.

65903797 is a deficient number, since it is larger than the sum of its proper divisors (1).

65903797 is an equidigital number, since it uses as much as digits as its factorization.

65903797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 65903797 is about 8118.1153601067. The cubic root of 65903797 is about 403.9275533428.

The spelling of 65903797 in words is "sixty-five million, nine hundred three thousand, seven hundred ninety-seven".