2520501311243 has 2 divisors, whose sum is σ = 2520501311244. Its totient is φ = 2520501311242.

The previous prime is 2520501311239. The next prime is 2520501311287. The reversal of 2520501311243 is 3421131050252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520501311243 - 2² = 2520501311239 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520701311243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260250655621 + 1260250655622.

It is an arithmetic number, because the mean of its divisors is an integer number (1260250655622).

Almost surely, 2^{2520501311243} is an apocalyptic number.

2520501311243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520501311243 is an equidigital number, since it uses as much as digits as its factorization.

2520501311243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2520501311243 its reverse (3421131050252), we get a palindrome (5941632361495).

The spelling of 2520501311243 in words is "two trillion, five hundred twenty billion, five hundred one million, three hundred eleven thousand, two hundred forty-three".