2520812117 has 2 divisors, whose sum is σ = 2520812118. Its totient is φ = 2520812116.

The previous prime is 2520812101. The next prime is 2520812201. The reversal of 2520812117 is 7112180252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2134532401 + 386279716 = 46201^2 + 19654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520812117 - 2⁴ = 2520812101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2520812117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520812417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260406058 + 1260406059.

It is an arithmetic number, because the mean of its divisors is an integer number (1260406059).

Almost surely, 2^2520812117 is an apocalyptic number.

It is an amenable number.

2520812117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520812117 is an equidigital number, since it uses as much as digits as its factorization.

2520812117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 2520812117 is about 50207.6898193892. The cubic root of 2520812117 is about 1360.9645905292.

Adding to 2520812117 its reverse (7112180252), we get a palindrome (9632992369).

The spelling of 2520812117 in words is "two billion, five hundred twenty million, eight hundred twelve thousand, one hundred seventeen".