65967541 has 2 divisors, whose sum is σ = 65967542. Its totient is φ = 65967540.

The previous prime is 65967527. The next prime is 65967553. The reversal of 65967541 is 14576956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65950641 + 16900 = 8121^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 65967541 - 2⁵ = 65967509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65967511) 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, 32983770 + 32983771.

It is an arithmetic number, because the mean of its divisors is an integer number (32983771).

Almost surely, 2^65967541 is an apocalyptic number.

It is an amenable number.

65967541 is a deficient number, since it is larger than the sum of its proper divisors (1).

65967541 is an equidigital number, since it uses as much as digits as its factorization.

65967541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 65967541 is about 8122.0404456023. The cubic root of 65967541 is about 404.0577413957.

The spelling of 65967541 in words is "sixty-five million, nine hundred sixty-seven thousand, five hundred forty-one".