65061530 has 16 divisors (see below), whose sum is σ = 117815040. Its totient is φ = 25868112.

The previous prime is 65061527. The next prime is 65061553. The reversal of 65061530 is 3516056.

It is a super-3 number, since 3×65061530³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65061530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17810 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (7363440).

Almost surely, 2^65061530 is an apocalyptic number.

65061530 is a deficient number, since it is larger than the sum of its proper divisors (52753510).

65061530 is a wasteful number, since it uses less digits than its factorization.

65061530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39133.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 65061530 is about 8066.0727742812. The cubic root of 65061530 is about 402.1994052098.

Adding to 65061530 its reverse (3516056), we get a palindrome (68577586).

The spelling of 65061530 in words is "sixty-five million, sixty-one thousand, five hundred thirty".