2405613 has 8 divisors (see below), whose sum is σ = 3665728. Its totient is φ = 1374624.

The previous prime is 2405591. The next prime is 2405621. The reversal of 2405613 is 3165042.

It is a happy number.

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

It is not a de Polignac number, because 2405613 - 2¹² = 2401517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 114553 = 2405613 / (2 + 4 + 0 + 5 + 6 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2405613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405633) 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, 57256 + ... + 57297.

It is an arithmetic number, because the mean of its divisors is an integer number (458216).

2^2405613 is an apocalyptic number.

It is an amenable number.

2405613 is a deficient number, since it is larger than the sum of its proper divisors (1260115).

2405613 is a wasteful number, since it uses less digits than its factorization.

2405613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114563.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2405613 is about 1551.0038684671. The cubic root of 2405613 is about 133.9908845065.

The spelling of 2405613 in words is "two million, four hundred five thousand, six hundred thirteen".