46509 has 8 divisors (see below), whose sum is σ = 63840. Its totient is φ = 30096.

The previous prime is 46507. The next prime is 46511. The reversal of 46509 is 90564.

46509 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (46507) and next prime (46511).

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

It is not a de Polignac number, because 46509 - 2¹ = 46507 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46507) 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, 99 + ... + 320.

It is an arithmetic number, because the mean of its divisors is an integer number (7980).

2⁴⁶⁵⁰⁹ is an apocalyptic number.

It is an amenable number.

46509 is a deficient number, since it is larger than the sum of its proper divisors (17331).

46509 is a wasteful number, since it uses less digits than its factorization.

46509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 46509 is about 215.6594537691. The cubic root of 46509 is about 35.9621515802.

It can be divided in two parts, 46 and 509, that added together give a palindrome (555).

The spelling of 46509 in words is "forty-six thousand, five hundred nine".