65676545 has 16 divisors (see below), whose sum is σ = 86194368. Its totient is φ = 47643840.

The previous prime is 65676539. The next prime is 65676553. The reversal of 65676545 is 54567656.

65676545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 65676545 - 2¹⁰ = 65675521 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65676496 and 65676505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24407 + ... + 26963.

It is an arithmetic number, because the mean of its divisors is an integer number (5387148).

Almost surely, 2^65676545 is an apocalyptic number.

It is an amenable number.

65676545 is a deficient number, since it is larger than the sum of its proper divisors (20517823).

65676545 is a wasteful number, since it uses less digits than its factorization.

65676545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its digits is 756000, while the sum is 44.

The square root of 65676545 is about 8104.1066750136. The cubic root of 65676545 is about 403.4627391764.

Subtracting from 65676545 its reverse (54567656), we obtain a square (11108889 = 3333²).

The spelling of 65676545 in words is "sixty-five million, six hundred seventy-six thousand, five hundred forty-five".