4655521 has 8 divisors (see below), whose sum is σ = 5047784. Its totient is φ = 4268160.

The previous prime is 4655507. The next prime is 4655531. The reversal of 4655521 is 1255564.

It can be written as a sum of positive squares in 4 ways, for example, as 93025 + 4562496 = 305^2 + 2136^2 .

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

It is not a de Polignac number, because 4655521 - 2⁹ = 4655009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4655521.

It is not an unprimeable number, because it can be changed into a prime (4655531) 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, 901 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (630973).

Almost surely, 2^4655521 is an apocalyptic number.

It is an amenable number.

4655521 is a deficient number, since it is larger than the sum of its proper divisors (392263).

4655521 is a wasteful number, since it uses less digits than its factorization.

4655521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451.

The product of its digits is 6000, while the sum is 28.

The square root of 4655521 is about 2157.6656367473. The cubic root of 4655521 is about 166.9767857103.

The spelling of 4655521 in words is "four million, six hundred fifty-five thousand, five hundred twenty-one".