2420561365 has 8 divisors (see below), whose sum is σ = 2931322680. Its totient is φ = 1918683072.

The previous prime is 2420561359. The next prime is 2420561369. The reversal of 2420561365 is 5631650242.

It can be written as a sum of positive squares in 4 ways, for example, as 405539044 + 2015022321 = 20138^2 + 44889^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2420561365 - 2⁷ = 2420561237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2420561365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420561369) 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, 2220154 + ... + 2221243.

It is an arithmetic number, because the mean of its divisors is an integer number (366415335).

Almost surely, 2^2420561365 is an apocalyptic number.

It is an amenable number.

2420561365 is a deficient number, since it is larger than the sum of its proper divisors (510761315).

2420561365 is a wasteful number, since it uses less digits than its factorization.

2420561365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441511.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2420561365 is about 49199.2008573310. The cubic root of 2420561365 is about 1342.6784927977.

The spelling of 2420561365 in words is "two billion, four hundred twenty million, five hundred sixty-one thousand, three hundred sixty-five".