65050511 has 4 divisors (see below), whose sum is σ = 65093952. Its totient is φ = 65007072.

The previous prime is 65050499. The next prime is 65050523. The reversal of 65050511 is 11505056.

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

It is an interprime number because it is at equal distance from previous prime (65050499) and next prime (65050523).

It is a cyclic number.

It is not a de Polignac number, because 65050511 - 2¹⁰ = 65049487 is a prime.

It is a super-2 number, since 2×65050511² = 8463137962722242, 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 (65050541) 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, 19391 + ... + 22496.

It is an arithmetic number, because the mean of its divisors is an integer number (16273488).

Almost surely, 2^65050511 is an apocalyptic number.

65050511 is a deficient number, since it is larger than the sum of its proper divisors (43441).

65050511 is a wasteful number, since it uses less digits than its factorization.

65050511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43440.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 65050511 is about 8065.3896992024. The cubic root of 65050511 is about 402.1766980613.

Adding to 65050511 its reverse (11505056), we get a palindrome (76555567).

The spelling of 65050511 in words is "sixty-five million, fifty thousand, five hundred eleven".