4606551 has 28 divisors (see below), whose sum is σ = 7082640. Its totient is φ = 2993760.

The previous prime is 4606549. The next prime is 4606559. The reversal of 4606551 is 1556064.

It is a happy number.

4606551 is a `hidden beast` number, since 4 + 6 + 0 + 655 + 1 = 666.

It is not a de Polignac number, because 4606551 - 2¹ = 4606549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4606551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4606559) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 51715 + ... + 51803.

Almost surely, 2^4606551 is an apocalyptic number.

4606551 is a deficient number, since it is larger than the sum of its proper divisors (2476089).

4606551 is an frugal number, since it uses more digits than its factorization.

4606551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4606551 is about 2146.2877253528. The cubic root of 4606551 is about 166.3892616460.

The spelling of 4606551 in words is "four million, six hundred six thousand, five hundred fifty-one".