65048519 has 4 divisors (see below), whose sum is σ = 65424696. Its totient is φ = 64672344.

The previous prime is 65048429. The next prime is 65048539. The reversal of 65048519 is 91584056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65048519 is a prime.

It is a super-2 number, since 2×65048519² = 8462619648186722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65048539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187829 + ... + 188174.

It is an arithmetic number, because the mean of its divisors is an integer number (16356174).

Almost surely, 2^65048519 is an apocalyptic number.

65048519 is a deficient number, since it is larger than the sum of its proper divisors (376177).

65048519 is a wasteful number, since it uses less digits than its factorization.

65048519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376176.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 65048519 is about 8065.2662076338. The cubic root of 65048519 is about 402.1725928199.

The spelling of 65048519 in words is "sixty-five million, forty-eight thousand, five hundred nineteen".