2520528311 has 4 divisors (see below), whose sum is σ = 2880603792. Its totient is φ = 2160452832.

The previous prime is 2520528293. The next prime is 2520528379. The reversal of 2520528311 is 1138250252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520528311 - 2⁶ = 2520528247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520528211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180037730 + ... + 180037743.

It is an arithmetic number, because the mean of its divisors is an integer number (720150948).

Almost surely, 2^2520528311 is an apocalyptic number.

2520528311 is a deficient number, since it is larger than the sum of its proper divisors (360075481).

2520528311 is an equidigital number, since it uses as much as digits as its factorization.

2520528311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360075480.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2520528311 is about 50204.8634197923. The cubic root of 2520528311 is about 1360.9135138133.

Adding to 2520528311 its reverse (1138250252), we get a palindrome (3658778563).

The spelling of 2520528311 in words is "two billion, five hundred twenty million, five hundred twenty-eight thousand, three hundred eleven".