2521131259 has 2 divisors, whose sum is σ = 2521131260. Its totient is φ = 2521131258.

The previous prime is 2521131251. The next prime is 2521131311. The reversal of 2521131259 is 9521311252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2521131259 - 2³ = 2521131251 is a prime.

It is a super-2 number, since 2×2521131259² = 12712205650213850162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2521131259.

It is not a weakly prime, because it can be changed into another prime (2521131251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260565629 + 1260565630.

It is an arithmetic number, because the mean of its divisors is an integer number (1260565630).

Almost surely, 2^2521131259 is an apocalyptic number.

2521131259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521131259 is an equidigital number, since it uses as much as digits as its factorization.

2521131259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 2521131259 is about 50210.8679371309. The cubic root of 2521131259 is about 1361.0220221045.

The spelling of 2521131259 in words is "two billion, five hundred twenty-one million, one hundred thirty-one thousand, two hundred fifty-nine".