4609551 has 8 divisors (see below), whose sum is σ = 6166960. Its totient is φ = 3062592.

The previous prime is 4609547. The next prime is 4609597. The reversal of 4609551 is 1559064.

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

It is not a de Polignac number, because 4609551 - 2² = 4609547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4609511) 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 7 ways as a sum of consecutive naturals, for example, 1516 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (770870).

Almost surely, 2^4609551 is an apocalyptic number.

4609551 is a deficient number, since it is larger than the sum of its proper divisors (1557409).

4609551 is a wasteful number, since it uses less digits than its factorization.

4609551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 4609551 is about 2146.9864927381. The cubic root of 4609551 is about 166.4253739466.

It can be divided in two parts, 460 and 9551, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 4609551 in words is "four million, six hundred nine thousand, five hundred fifty-one".