4651489 has 4 divisors (see below), whose sum is σ = 4925124. Its totient is φ = 4377856.

The previous prime is 4651483. The next prime is 4651499. The reversal of 4651489 is 9841564.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2117025 + 2534464 = 1455^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 4651489 - 2¹³ = 4643297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4651483) 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 3 ways as a sum of consecutive naturals, for example, 136792 + ... + 136825.

It is an arithmetic number, because the mean of its divisors is an integer number (1231281).

Almost surely, 2^4651489 is an apocalyptic number.

It is an amenable number.

4651489 is a deficient number, since it is larger than the sum of its proper divisors (273635).

4651489 is a wasteful number, since it uses less digits than its factorization.

4651489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273634.

The product of its digits is 34560, while the sum is 37.

The square root of 4651489 is about 2156.7310912582. The cubic root of 4651489 is about 166.9285673438.

The spelling of 4651489 in words is "four million, six hundred fifty-one thousand, four hundred eighty-nine".