65652525 has 72 divisors (see below), whose sum is σ = 124304544. Its totient is φ = 34344000.

The previous prime is 65652473. The next prime is 65652527. The reversal of 65652525 is 52525656.

It is not a de Polignac number, because 65652525 - 2¹⁴ = 65636141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 65652525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65652527) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 613522 + ... + 613628.

It is an arithmetic number, because the mean of its divisors is an integer number (1726452).

Almost surely, 2^65652525 is an apocalyptic number.

It is an amenable number.

65652525 is a deficient number, since it is larger than the sum of its proper divisors (58652019).

65652525 is a wasteful number, since it uses less digits than its factorization.

65652525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 216 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 65652525 is about 8102.6245747906. The cubic root of 65652525 is about 403.4135467963.

The spelling of 65652525 in words is "sixty-five million, six hundred fifty-two thousand, five hundred twenty-five".