65411125 has 16 divisors (see below), whose sum is σ = 87914736. Its totient is φ = 48302400.

The previous prime is 65411123. The next prime is 65411141. The reversal of 65411125 is 52111456.

It is a happy number.

65411125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 20775364 + 44635761 = 4558^2 + 6681^2 .

It is not a de Polignac number, because 65411125 - 2¹ = 65411123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 65411125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65411123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18502 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (5494671).

Almost surely, 2^65411125 is an apocalyptic number.

65411125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65411125 is a deficient number, since it is larger than the sum of its proper divisors (22503611).

65411125 is a wasteful number, since it uses less digits than its factorization.

65411125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40281 (or 40271 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 65411125 is about 8087.7144484706. The cubic root of 65411125 is about 402.9184978863.

It can be divided in two parts, 65411 and 125, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 65411125 in words is "sixty-five million, four hundred eleven thousand, one hundred twenty-five".