65905093 has 2 divisors, whose sum is σ = 65905094. Its totient is φ = 65905092.

The previous prime is 65905087. The next prime is 65905117. The reversal of 65905093 is 39050956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53919649 + 11985444 = 7343^2 + 3462^2 .

It is a cyclic number.

It is not a de Polignac number, because 65905093 - 2⁹ = 65904581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65905003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32952546 + 32952547.

It is an arithmetic number, because the mean of its divisors is an integer number (32952547).

Almost surely, 2^65905093 is an apocalyptic number.

It is an amenable number.

65905093 is a deficient number, since it is larger than the sum of its proper divisors (1).

65905093 is an equidigital number, since it uses as much as digits as its factorization.

65905093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 65905093 is about 8118.1951811964. The cubic root of 65905093 is about 403.9302010743.

The spelling of 65905093 in words is "sixty-five million, nine hundred five thousand, ninety-three".