65772853 has 2 divisors, whose sum is σ = 65772854. Its totient is φ = 65772852.

The previous prime is 65772821. The next prime is 65772859. The reversal of 65772853 is 35827756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65658609 + 114244 = 8103^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 65772853 - 2⁵ = 65772821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65772859) 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, 32886426 + 32886427.

It is an arithmetic number, because the mean of its divisors is an integer number (32886427).

Almost surely, 2^65772853 is an apocalyptic number.

It is an amenable number.

65772853 is a deficient number, since it is larger than the sum of its proper divisors (1).

65772853 is an equidigital number, since it uses as much as digits as its factorization.

65772853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 65772853 is about 8110.0464240348. The cubic root of 65772853 is about 403.6598552692.

The spelling of 65772853 in words is "sixty-five million, seven hundred seventy-two thousand, eight hundred fifty-three".