2201613 has 4 divisors (see below), whose sum is σ = 2935488. Its totient is φ = 1467740.

The previous prime is 2201603. The next prime is 2201623. The reversal of 2201613 is 3161022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2201603) and next prime (2201623).

It is a cyclic number.

It is not a de Polignac number, because 2201613 - 2⁴ = 2201597 is a prime.

It is a D-number.

It is a Curzon number.

2201613 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2201592 and 2201601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201603) 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, 366933 + ... + 366938.

It is an arithmetic number, because the mean of its divisors is an integer number (733872).

2^2201613 is an apocalyptic number.

It is an amenable number.

2201613 is a deficient number, since it is larger than the sum of its proper divisors (733875).

2201613 is an equidigital number, since it uses as much as digits as its factorization.

2201613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733874.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2201613 is about 1483.7833399793. The cubic root of 2201613 is about 130.0909225868.

Adding to 2201613 its reverse (3161022), we get a palindrome (5362635).

The spelling of 2201613 in words is "two million, two hundred one thousand, six hundred thirteen".