2420505317 has 4 divisors (see below), whose sum is σ = 2420611776. Its totient is φ = 2420398860.

The previous prime is 2420505301. The next prime is 2420505341. The reversal of 2420505317 is 7135050242.

It is a happy number.

2420505317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2420505317 - 2⁴ = 2420505301 is a prime.

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 2420505317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020505317) 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, 3863 + ... + 69684.

It is an arithmetic number, because the mean of its divisors is an integer number (605152944).

Almost surely, 2^2420505317 is an apocalyptic number.

It is an amenable number.

2420505317 is a deficient number, since it is larger than the sum of its proper divisors (106459).

2420505317 is an equidigital number, since it uses as much as digits as its factorization.

2420505317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106458.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2420505317 is about 49198.6312512858. The cubic root of 2420505317 is about 1342.6681294957.

Adding to 2420505317 its reverse (7135050242), we get a palindrome (9555555559).

The spelling of 2420505317 in words is "two billion, four hundred twenty million, five hundred five thousand, three hundred seventeen".