2520571085 has 8 divisors (see below), whose sum is σ = 3081755160. Its totient is φ = 1978410304.

The previous prime is 2520571061. The next prime is 2520571099. The reversal of 2520571085 is 5801750252.

It can be written as a sum of positive squares in 4 ways, for example, as 129458884 + 2391112201 = 11378^2 + 48899^2 .

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 2520571085 - 2¹² = 2520566989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755530 + ... + 4756059.

It is an arithmetic number, because the mean of its divisors is an integer number (385219395).

Almost surely, 2^2520571085 is an apocalyptic number.

It is an amenable number.

2520571085 is a deficient number, since it is larger than the sum of its proper divisors (561184075).

2520571085 is an equidigital number, since it uses as much as digits as its factorization.

2520571085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511647.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 2520571085 is about 50205.2894125709. The cubic root of 2520571085 is about 1360.9212121180.

The spelling of 2520571085 in words is "two billion, five hundred twenty million, five hundred seventy-one thousand, eighty-five".