65651741 has 2 divisors, whose sum is σ = 65651742. Its totient is φ = 65651740.

The previous prime is 65651713. The next prime is 65651743. The reversal of 65651741 is 14715656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48594841 + 17056900 = 6971^2 + 4130^2 .

It is a cyclic number.

It is not a de Polignac number, because 65651741 - 2¹⁴ = 65635357 is a prime.

It is a Sophie Germain prime.

Together with 65651743, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65651743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32825870 + 32825871.

It is an arithmetic number, because the mean of its divisors is an integer number (32825871).

Almost surely, 2^65651741 is an apocalyptic number.

It is an amenable number.

65651741 is a deficient number, since it is larger than the sum of its proper divisors (1).

65651741 is an equidigital number, since it uses as much as digits as its factorization.

65651741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 65651741 is about 8102.5761952604. The cubic root of 65651741 is about 403.4119409811.

The spelling of 65651741 in words is "sixty-five million, six hundred fifty-one thousand, seven hundred forty-one".