65253763531 has 8 divisors (see below), whose sum is σ = 71558627328. Its totient is φ = 59011017000.

The previous prime is 65253763517. The next prime is 65253763541. The reversal of 65253763531 is 13536735256.

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

It is a cyclic number.

It is not a de Polignac number, because 65253763531 - 2¹⁹ = 65253239243 is a prime.

It is a super-2 number, since 2×65253763531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65253763541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15527115 + ... + 15531316.

It is an arithmetic number, because the mean of its divisors is an integer number (8944828416).

Almost surely, 2^65253763531 is an apocalyptic number.

65253763531 is a deficient number, since it is larger than the sum of its proper divisors (6304863797).

65253763531 is a wasteful number, since it uses less digits than its factorization.

65253763531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058633.

The product of its digits is 1701000, while the sum is 46.

The spelling of 65253763531 in words is "sixty-five billion, two hundred fifty-three million, seven hundred sixty-three thousand, five hundred thirty-one".