65502575 has 12 divisors (see below), whose sum is σ = 81447168. Its totient is φ = 52257600.

The previous prime is 65502559. The next prime is 65502589. The reversal of 65502575 is 57520556.

It is not a de Polignac number, because 65502575 - 2⁴ = 65502559 is a prime.

It is a Duffinian number.

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, 6155 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (6787264).

Almost surely, 2^65502575 is an apocalyptic number.

65502575 is a deficient number, since it is larger than the sum of its proper divisors (15944593).

65502575 is a wasteful number, since it uses less digits than its factorization.

65502575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234 (or 7229 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 65502575 is about 8093.3661105871. The cubic root of 65502575 is about 403.1061812420.

The spelling of 65502575 in words is "sixty-five million, five hundred two thousand, five hundred seventy-five".