2401613 has 4 divisors (see below), whose sum is σ = 2405340. Its totient is φ = 2397888.

The previous prime is 2401603. The next prime is 2401621. The reversal of 2401613 is 3161042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3161042 = 2 ⋅1580521.

It can be written as a sum of positive squares in 2 ways, for example, as 770884 + 1630729 = 878^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401613 - 2⁶ = 2401549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2401591 and 2401600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (601335).

2^2401613 is an apocalyptic number.

It is an amenable number.

2401613 is a deficient number, since it is larger than the sum of its proper divisors (3727).

2401613 is an equidigital number, since it uses as much as digits as its factorization.

2401613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2401613 is about 1549.7138445532. The cubic root of 2401613 is about 133.9165776146.

Adding to 2401613 its reverse (3161042), we get a palindrome (5562655).

The spelling of 2401613 in words is "two million, four hundred one thousand, six hundred thirteen".