2868500521 has 8 divisors (see below), whose sum is σ = 2886385544. Its totient is φ = 2850647040.

The previous prime is 2868500483. The next prime is 2868500533. The reversal of 2868500521 is 1250058682.

It can be written as a sum of positive squares in 4 ways, for example, as 36132121 + 2832368400 = 6011^2 + 53220^2 .

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 2868500521 - 2⁹ = 2868500009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2868500561) by changing a digit.

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, 189775 + ... + 204331.

It is an arithmetic number, because the mean of its divisors is an integer number (360798193).

Almost surely, 2^2868500521 is an apocalyptic number.

It is an amenable number.

2868500521 is a deficient number, since it is larger than the sum of its proper divisors (17885023).

2868500521 is a wasteful number, since it uses less digits than its factorization.

2868500521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 2868500521 is about 53558.3842269350. The cubic root of 2868500521 is about 1420.8611652981.

The spelling of 2868500521 in words is "two billion, eight hundred sixty-eight million, five hundred thousand, five hundred twenty-one".