60405 has 8 divisors (see below), whose sum is σ = 96672. Its totient is φ = 32208.

The previous prime is 60397. The next prime is 60413. The reversal of 60405 is 50406.

It is an interprime number because it is at equal distance from previous prime (60397) and next prime (60413).

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

It is not a de Polignac number, because 60405 - 2³ = 60397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 4027 = 60405 / (6 + 0 + 4 + 0 + 5).

60405 is a modest number, since divided by 405 gives 60 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (12084).

2⁶⁰⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

60405 is a deficient number, since it is larger than the sum of its proper divisors (36267).

60405 is a wasteful number, since it uses less digits than its factorization.

60405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 60405 is about 245.7742866941. The cubic root of 60405 is about 39.2365634833.

Subtracting from 60405 its reverse (50406), we obtain a palindrome (9999).

It can be divided in two parts, 60 and 405, that added together give a triangular number (465 = T₃₀).

The spelling of 60405 in words is "sixty thousand, four hundred five".