65725305 has 16 divisors (see below), whose sum is σ = 105504000. Its totient is φ = 34939008.

The previous prime is 65725277. The next prime is 65725321. The reversal of 65725305 is 50352756.

It is not a de Polignac number, because 65725305 - 2⁵ = 65725273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (6594000).

Almost surely, 2^65725305 is an apocalyptic number.

It is an amenable number.

65725305 is a deficient number, since it is larger than the sum of its proper divisors (39778695).

65725305 is a wasteful number, since it uses less digits than its factorization.

65725305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 65725305 is about 8107.1144681693. The cubic root of 65725305 is about 403.5625616048.

The spelling of 65725305 in words is "sixty-five million, seven hundred twenty-five thousand, three hundred five".