65125535 has 16 divisors (see below), whose sum is σ = 82543104. Its totient is φ = 49227552.

The previous prime is 65125523. The next prime is 65125573. The reversal of 65125535 is 53552156.

It is a cyclic number.

It is not a de Polignac number, because 65125535 - 2⁴ = 65125519 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6134 + ... + 12956.

It is an arithmetic number, because the mean of its divisors is an integer number (5158944).

Almost surely, 2^65125535 is an apocalyptic number.

65125535 is a deficient number, since it is larger than the sum of its proper divisors (17417569).

65125535 is a wasteful number, since it uses less digits than its factorization.

65125535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934.

The product of its digits is 22500, while the sum is 32.

The square root of 65125535 is about 8070.0393431507. The cubic root of 65125535 is about 402.3312513559.

The spelling of 65125535 in words is "sixty-five million, one hundred twenty-five thousand, five hundred thirty-five".