65479563 has 16 divisors (see below), whose sum is σ = 102713760. Its totient is φ = 41084928.

The previous prime is 65479553. The next prime is 65479571. The reversal of 65479563 is 36597456.

It is not a de Polignac number, because 65479563 - 2⁶ = 65479499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65479523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70870 + ... + 71787.

It is an arithmetic number, because the mean of its divisors is an integer number (6419610).

Almost surely, 2^65479563 is an apocalyptic number.

65479563 is a deficient number, since it is larger than the sum of its proper divisors (37234197).

65479563 is a wasteful number, since it uses less digits than its factorization.

65479563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142683 (or 142677 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 65479563 is about 8091.9443275396. The cubic root of 65479563 is about 403.0589700397.

It can be divided in two parts, 6547 and 9563, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 65479563 in words is "sixty-five million, four hundred seventy-nine thousand, five hundred sixty-three".