4809531 has 8 divisors (see below), whose sum is σ = 6423040. Its totient is φ = 3201192.

The previous prime is 4809509. The next prime is 4809547. The reversal of 4809531 is 1359084.

4809531 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4809531 - 2¹³ = 4801339 is a prime.

It is a super-3 number, since 3×4809531³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4809731) 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, 2346 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (802880).

Almost surely, 2^4809531 is an apocalyptic number.

4809531 is a deficient number, since it is larger than the sum of its proper divisors (1613509).

4809531 is a wasteful number, since it uses less digits than its factorization.

4809531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 4809531 is about 2193.0642945431. The cubic root of 4809531 is about 168.7981086429.

It can be divided in two parts, 480 and 9531, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 4809531 in words is "four million, eight hundred nine thousand, five hundred thirty-one".