4506651 has 16 divisors (see below), whose sum is σ = 6760320. Its totient is φ = 2966760.

The previous prime is 4506647. The next prime is 4506653. The reversal of 4506651 is 1566054.

It is a happy number.

4506651 is a `hidden beast` number, since 4 + 5 + 0 + 6 + 651 = 666.

It is not a de Polignac number, because 4506651 - 2² = 4506647 is a prime.

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

It is an Ulam number.

4506651 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4506653) 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, 1236 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (422520).

Almost surely, 2^4506651 is an apocalyptic number.

4506651 is a deficient number, since it is larger than the sum of its proper divisors (2253669).

4506651 is a wasteful number, since it uses less digits than its factorization.

4506651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2097 counting only the distinct ones).

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

The square root of 4506651 is about 2122.8874204724. The cubic root of 4506651 is about 165.1776598799.

The spelling of 4506651 in words is "four million, five hundred six thousand, six hundred fifty-one".