65563345 has 8 divisors (see below), whose sum is σ = 81389160. Its totient is φ = 50641920.

The previous prime is 65563343. The next prime is 65563361. The reversal of 65563345 is 54336556.

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 65561409 = 44^2 + 8097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65563345 - 2¹ = 65563343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65563343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225936 + ... + 226225.

It is an arithmetic number, because the mean of its divisors is an integer number (10173645).

Almost surely, 2^65563345 is an apocalyptic number.

It is an amenable number.

65563345 is a deficient number, since it is larger than the sum of its proper divisors (15825815).

65563345 is a wasteful number, since it uses less digits than its factorization.

65563345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452195.

The product of its digits is 162000, while the sum is 37.

The square root of 65563345 is about 8097.1195495682. The cubic root of 65563345 is about 403.2308032685.

It can be divided in two parts, 655 and 63345, that added together give a cube (64000 = 40³).

The spelling of 65563345 in words is "sixty-five million, five hundred sixty-three thousand, three hundred forty-five".