65253918 has 16 divisors (see below), whose sum is σ = 132970896. Its totient is φ = 21340800.

The previous prime is 65253911. The next prime is 65253943. The reversal of 65253918 is 81935256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65253911) 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, 102283 + ... + 102918.

It is an arithmetic number, because the mean of its divisors is an integer number (8310681).

Almost surely, 2^65253918 is an apocalyptic number.

65253918 is an abundant number, since it is smaller than the sum of its proper divisors (67716978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65253918 is a wasteful number, since it uses less digits than its factorization.

65253918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205259.

The product of its digits is 64800, while the sum is 39.

The square root of 65253918 is about 8077.9897251730. The cubic root of 65253918 is about 402.5954518165.

The spelling of 65253918 in words is "sixty-five million, two hundred fifty-three thousand, nine hundred eighteen".