2520538343 has 2 divisors, whose sum is σ = 2520538344. Its totient is φ = 2520538342.

The previous prime is 2520538301. The next prime is 2520538387. The reversal of 2520538343 is 3438350252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520538343 - 2¹⁰ = 2520537319 is a prime.

It is a super-2 number, since 2×2520538343² = 12706227077066371298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520538243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260269171 + 1260269172.

It is an arithmetic number, because the mean of its divisors is an integer number (1260269172).

Almost surely, 2^2520538343 is an apocalyptic number.

2520538343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520538343 is an equidigital number, since it uses as much as digits as its factorization.

2520538343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2520538343 is about 50204.9633303322. The cubic root of 2520538343 is about 1360.9153193430.

Adding to 2520538343 its reverse (3438350252), we get a palindrome (5958888595).

The spelling of 2520538343 in words is "two billion, five hundred twenty million, five hundred thirty-eight thousand, three hundred forty-three".