65125836 has 48 divisors (see below), whose sum is σ = 169757280. Its totient is φ = 21591360.

The previous prime is 65125829. The next prime is 65125849. The reversal of 65125836 is 63852156.

65125836 is a `hidden beast` number, since 65 + 12 + 583 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65125836.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19746 + ... + 22806.

It is an arithmetic number, because the mean of its divisors is an integer number (3536610).

Almost surely, 2^65125836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65125836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84878640).

65125836 is an abundant number, since it is smaller than the sum of its proper divisors (104631444).

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

65125836 is a wasteful number, since it uses less digits than its factorization.

65125836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271 (or 3263 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 65125836 is about 8070.0579923567. The cubic root of 65125836 is about 402.3318711922.

The spelling of 65125836 in words is "sixty-five million, one hundred twenty-five thousand, eight hundred thirty-six".