2405530 has 16 divisors (see below), whose sum is σ = 4350024. Its totient is φ = 957760.

The previous prime is 2405527. The next prime is 2405539. The reversal of 2405530 is 355042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2187441 + 218089 = 1479^2 + 467^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2405498 and 2405507.

It is not an unprimeable number, because it can be changed into a prime (2405539) 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, 2520 + ... + 3340.

2^2405530 is an apocalyptic number.

2405530 is a deficient number, since it is larger than the sum of its proper divisors (1944494).

2405530 is a wasteful number, since it uses less digits than its factorization.

2405530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2405530 is about 1550.9771113721. The cubic root of 2405530 is about 133.9893434757.

The spelling of 2405530 in words is "two million, four hundred five thousand, five hundred thirty".