65303125 has 12 divisors (see below), whose sum is σ = 81627588. Its totient is φ = 52240000.

The previous prime is 65303101. The next prime is 65303131. The reversal of 65303125 is 52130356.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 51509329 + 13793796 = 7177^2 + 3714^2 .

It is not a de Polignac number, because 65303125 - 2⁹ = 65302613 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65303125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7324 + ... + 13573.

It is an arithmetic number, because the mean of its divisors is an integer number (6802299).

Almost surely, 2^65303125 is an apocalyptic number.

It is an amenable number.

65303125 is a deficient number, since it is larger than the sum of its proper divisors (16324463).

65303125 is an frugal number, since it uses more digits than its factorization.

65303125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20922 (or 20902 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 65303125 is about 8081.0348965959. The cubic root of 65303125 is about 402.6966234523.

The spelling of 65303125 in words is "sixty-five million, three hundred three thousand, one hundred twenty-five".