65252319 has 8 divisors (see below), whose sum is σ = 94912512. Its totient is φ = 39546840.

The previous prime is 65252287. The next prime is 65252321. The reversal of 65252319 is 91325256.

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

It is not a de Polignac number, because 65252319 - 2⁵ = 65252287 is a prime.

It is a super-3 number, since 3×65252319³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1977343 = 65252319 / (6 + 5 + 2 + 5 + 2 + 3 + 1 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 65252319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65252389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988639 + ... + 988704.

It is an arithmetic number, because the mean of its divisors is an integer number (11864064).

Almost surely, 2^65252319 is an apocalyptic number.

65252319 is a deficient number, since it is larger than the sum of its proper divisors (29660193).

65252319 is a wasteful number, since it uses less digits than its factorization.

65252319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977357.

The product of its digits is 16200, while the sum is 33.

The square root of 65252319 is about 8077.8907519228. The cubic root of 65252319 is about 402.5921633530.

The spelling of 65252319 in words is "sixty-five million, two hundred fifty-two thousand, three hundred nineteen".