2520937217 has 2 divisors, whose sum is σ = 2520937218. Its totient is φ = 2520937216.

The previous prime is 2520937213. The next prime is 2520937219. The reversal of 2520937217 is 7127390252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2357199601 + 163737616 = 48551^2 + 12796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520937217 - 2² = 2520937213 is a prime.

Together with 2520937219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2520937213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260468608 + 1260468609.

It is an arithmetic number, because the mean of its divisors is an integer number (1260468609).

Almost surely, 2^2520937217 is an apocalyptic number.

It is an amenable number.

2520937217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520937217 is an equidigital number, since it uses as much as digits as its factorization.

2520937217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 2520937217 is about 50208.9356290292. The cubic root of 2520937217 is about 1360.9871036249.

It can be divided in two parts, 25209 and 37217, that added together give a palindrome (62426).

The spelling of 2520937217 in words is "two billion, five hundred twenty million, nine hundred thirty-seven thousand, two hundred seventeen".