2520316445 has 8 divisors (see below), whose sum is σ = 3026847960. Its totient is φ = 2014607680.

The previous prime is 2520316439. The next prime is 2520316483. The reversal of 2520316445 is 5446130252.

It can be written as a sum of positive squares in 4 ways, for example, as 757240324 + 1763076121 = 27518^2 + 41989^2 .

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

It is not a de Polignac number, because 2520316445 - 2⁴ = 2520316429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198926 + ... + 211215.

It is an arithmetic number, because the mean of its divisors is an integer number (378355995).

Almost surely, 2^2520316445 is an apocalyptic number.

It is an amenable number.

2520316445 is a deficient number, since it is larger than the sum of its proper divisors (506531515).

2520316445 is a wasteful number, since it uses less digits than its factorization.

2520316445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411375.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2520316445 is about 50202.7533607471. The cubic root of 2520316445 is about 1360.8753816777.

Adding to 2520316445 its reverse (5446130252), we get a palindrome (7966446697).

The spelling of 2520316445 in words is "two billion, five hundred twenty million, three hundred sixteen thousand, four hundred forty-five".