65256536 has 8 divisors (see below), whose sum is σ = 122356020. Its totient is φ = 32628264.

The previous prime is 65256533. The next prime is 65256547. The reversal of 65256536 is 63565256.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 65256536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65256533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4078526 + ... + 4078541.

Almost surely, 2^65256536 is an apocalyptic number.

It is an amenable number.

65256536 is a deficient number, since it is larger than the sum of its proper divisors (57099484).

65256536 is a wasteful number, since it uses less digits than its factorization.

65256536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157073 (or 8157069 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 65256536 is about 8078.1517688144. The cubic root of 65256536 is about 402.6008358140.

The spelling of 65256536 in words is "sixty-five million, two hundred fifty-six thousand, five hundred thirty-six".