2004522617 has 4 divisors (see below), whose sum is σ = 2012144640. Its totient is φ = 1996900596.

The previous prime is 2004522613. The next prime is 2004522631. The reversal of 2004522617 is 7162254002.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2004522617 - 2² = 2004522613 is a prime.

It is a super-2 number, since 2×2004522617² = 8036221844129057378, which contains 22 as substring.

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 2004522617.

It is not an unprimeable number, because it can be changed into a prime (2004522613) 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, 3810617 + ... + 3811142.

It is an arithmetic number, because the mean of its divisors is an integer number (503036160).

Almost surely, 2^2004522617 is an apocalyptic number.

It is an amenable number.

2004522617 is a deficient number, since it is larger than the sum of its proper divisors (7622023).

2004522617 is an equidigital number, since it uses as much as digits as its factorization.

2004522617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622022.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2004522617 is about 44771.8953920872. The cubic root of 2004522617 is about 1260.8700250052.

Adding to 2004522617 its reverse (7162254002), we get a palindrome (9166776619).

The spelling of 2004522617 in words is "two billion, four million, five hundred twenty-two thousand, six hundred seventeen".