2520343129 has 2 divisors, whose sum is σ = 2520343130. Its totient is φ = 2520343128.

The previous prime is 2520343127. The next prime is 2520343139. The reversal of 2520343129 is 9213430252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1943046400 + 577296729 = 44080^2 + 24027^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520343129 - 2¹ = 2520343127 is a prime.

Together with 2520343127, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2520343129.

It is not a weakly prime, because it can be changed into another prime (2520343123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260171564 + 1260171565.

It is an arithmetic number, because the mean of its divisors is an integer number (1260171565).

Almost surely, 2^2520343129 is an apocalyptic number.

It is an amenable number.

2520343129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520343129 is an equidigital number, since it uses as much as digits as its factorization.

2520343129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2520343129 is about 50203.0191223596. The cubic root of 2520343129 is about 1360.8801844438.

The spelling of 2520343129 in words is "two billion, five hundred twenty million, three hundred forty-three thousand, one hundred twenty-nine".