65654749 has 2 divisors, whose sum is σ = 65654750. Its totient is φ = 65654748.

The previous prime is 65654717. The next prime is 65654759. The reversal of 65654749 is 94745656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 2340900 = 7957^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 65654749 - 2⁵ = 65654717 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65654699 and 65654708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65654759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32827374 + 32827375.

It is an arithmetic number, because the mean of its divisors is an integer number (32827375).

Almost surely, 2^65654749 is an apocalyptic number.

It is an amenable number.

65654749 is a deficient number, since it is larger than the sum of its proper divisors (1).

65654749 is an equidigital number, since it uses as much as digits as its factorization.

65654749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 46.

The square root of 65654749 is about 8102.7618131104. The cubic root of 65654749 is about 403.4181019986.

The spelling of 65654749 in words is "sixty-five million, six hundred fifty-four thousand, seven hundred forty-nine".