65007773 has 2 divisors, whose sum is σ = 65007774. Its totient is φ = 65007772.

The previous prime is 65007769. The next prime is 65007781. The reversal of 65007773 is 37770056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38402809 + 26604964 = 6197^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 65007773 - 2² = 65007769 is a prime.

It is a super-3 number, since 3×65007773³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65007373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32503886 + 32503887.

It is an arithmetic number, because the mean of its divisors is an integer number (32503887).

Almost surely, 2^65007773 is an apocalyptic number.

It is an amenable number.

65007773 is a deficient number, since it is larger than the sum of its proper divisors (1).

65007773 is an equidigital number, since it uses as much as digits as its factorization.

65007773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 65007773 is about 8062.7397948836. The cubic root of 65007773 is about 402.0886024515.

The spelling of 65007773 in words is "sixty-five million, seven thousand, seven hundred seventy-three".