2516020445 has 8 divisors (see below), whose sum is σ = 3025776600. Its totient is φ = 2008448320.

The previous prime is 2516020433. The next prime is 2516020447. The reversal of 2516020445 is 5440206152.

It can be written as a sum of positive squares in 4 ways, for example, as 373996921 + 2142023524 = 19339^2 + 46282^2 .

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

It is not a de Polignac number, because 2516020445 - 2⁸ = 2516020189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516020447) 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, 543470 + ... + 548079.

It is an arithmetic number, because the mean of its divisors is an integer number (378222075).

Almost surely, 2^2516020445 is an apocalyptic number.

It is an amenable number.

2516020445 is a deficient number, since it is larger than the sum of its proper divisors (509756155).

2516020445 is a wasteful number, since it uses less digits than its factorization.

2516020445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092015.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2516020445 is about 50159.9486144075. The cubic root of 2516020445 is about 1360.1017161885.

Adding to 2516020445 its reverse (5440206152), we get a palindrome (7956226597).

The spelling of 2516020445 in words is "two billion, five hundred sixteen million, twenty thousand, four hundred forty-five".