65241791 has 2 divisors, whose sum is σ = 65241792. Its totient is φ = 65241790.

The previous prime is 65241773. The next prime is 65241797. The reversal of 65241791 is 19714256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65241791 - 2¹⁰ = 65240767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65241797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32620895 + 32620896.

It is an arithmetic number, because the mean of its divisors is an integer number (32620896).

Almost surely, 2^65241791 is an apocalyptic number.

65241791 is a deficient number, since it is larger than the sum of its proper divisors (1).

65241791 is an equidigital number, since it uses as much as digits as its factorization.

65241791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 65241791 is about 8077.2390703755. The cubic root of 65241791 is about 402.5705103894.

The spelling of 65241791 in words is "sixty-five million, two hundred forty-one thousand, seven hundred ninety-one".