65050505 has 8 divisors (see below), whose sum is σ = 84065352. Its totient is φ = 48037248.

The previous prime is 65050499. The next prime is 65050523. The reversal of 65050505 is 50505056.

65050505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6512704 + 58537801 = 2552^2 + 7651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65050505 - 2¹⁴ = 65034121 is a prime.

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

It is a Duffinian number.

65050505 is a modest number, since divided by 50505 gives 65 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500324 + ... + 500453.

It is an arithmetic number, because the mean of its divisors is an integer number (10508169).

Almost surely, 2^65050505 is an apocalyptic number.

65050505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65050505 is a deficient number, since it is larger than the sum of its proper divisors (19014847).

65050505 is a wasteful number, since it uses less digits than its factorization.

65050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000795.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 65050505 is about 8065.3893272427. The cubic root of 65050505 is about 402.1766856963.

The spelling of 65050505 in words is "sixty-five million, fifty thousand, five hundred five".