65252751 has 8 divisors (see below), whose sum is σ = 87066624. Its totient is φ = 43470360.

The previous prime is 65252743. The next prime is 65252791. The reversal of 65252751 is 15725256.

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

It is not a de Polignac number, because 65252751 - 2³ = 65252743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65252791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (10883328).

Almost surely, 2^65252751 is an apocalyptic number.

65252751 is a deficient number, since it is larger than the sum of its proper divisors (21813873).

65252751 is a wasteful number, since it uses less digits than its factorization.

65252751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15741.

The product of its digits is 21000, while the sum is 33.

The square root of 65252751 is about 8077.9174915321. The cubic root of 65252751 is about 402.5930517987.

The spelling of 65252751 in words is "sixty-five million, two hundred fifty-two thousand, seven hundred fifty-one".