4765561 has 12 divisors (see below), whose sum is σ = 5163312. Its totient is φ = 4395384.

The previous prime is 4765543. The next prime is 4765573. The reversal of 4765561 is 1655674.

It is a happy number.

It is not a de Polignac number, because 4765561 - 2⁵ = 4765529 is a prime.

It is a Duffinian number.

4765561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4765511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15370 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (430276).

Almost surely, 2^4765561 is an apocalyptic number.

It is an amenable number.

4765561 is a deficient number, since it is larger than the sum of its proper divisors (397751).

4765561 is a wasteful number, since it uses less digits than its factorization.

4765561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 369 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 4765561 is about 2183.0164910050. The cubic root of 4765561 is about 168.2821341095.

The spelling of 4765561 in words is "four million, seven hundred sixty-five thousand, five hundred sixty-one".