65487803 has 2 divisors, whose sum is σ = 65487804. Its totient is φ = 65487802.

The previous prime is 65487767. The next prime is 65487809. The reversal of 65487803 is 30878456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65487803 - 2¹² = 65483707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65487809) 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, 32743901 + 32743902.

It is an arithmetic number, because the mean of its divisors is an integer number (32743902).

Almost surely, 2^65487803 is an apocalyptic number.

65487803 is a deficient number, since it is larger than the sum of its proper divisors (1).

65487803 is an equidigital number, since it uses as much as digits as its factorization.

65487803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 65487803 is about 8092.4534598600. The cubic root of 65487803 is about 403.0758764171.

The spelling of 65487803 in words is "sixty-five million, four hundred eighty-seven thousand, eight hundred three".