65873603 has 2 divisors, whose sum is σ = 65873604. Its totient is φ = 65873602.

The previous prime is 65873581. The next prime is 65873641. The reversal of 65873603 is 30637856.

It is an a-pointer prime, because the next prime (65873641) can be obtained adding 65873603 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65873603 - 2⁶ = 65873539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65873693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32936801 + 32936802.

It is an arithmetic number, because the mean of its divisors is an integer number (32936802).

Almost surely, 2^65873603 is an apocalyptic number.

65873603 is a deficient number, since it is larger than the sum of its proper divisors (1).

65873603 is an equidigital number, since it uses as much as digits as its factorization.

65873603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 65873603 is about 8116.2554789755. The cubic root of 65873603 is about 403.8658570918.

The spelling of 65873603 in words is "sixty-five million, eight hundred seventy-three thousand, six hundred three".