2520785012 has 24 divisors (see below), whose sum is σ = 4468602600. Its totient is φ = 1244128896.

The previous prime is 2520784997. The next prime is 2520785017. The reversal of 2520785012 is 2105870252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 343396 + 2520441616 = 586^2 + 50204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2520785012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520785017) 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, 106538 + ... + 128030.

It is an arithmetic number, because the mean of its divisors is an integer number (186191775).

Almost surely, 2^2520785012 is an apocalyptic number.

It is an amenable number.

2520785012 is a deficient number, since it is larger than the sum of its proper divisors (1947817588).

2520785012 is a wasteful number, since it uses less digits than its factorization.

2520785012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21875 (or 21873 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 2520785012 is about 50207.4198898928. The cubic root of 2520785012 is about 1360.9597125936.

The spelling of 2520785012 in words is "two billion, five hundred twenty million, seven hundred eighty-five thousand, twelve".