2516246129 has 2 divisors, whose sum is σ = 2516246130. Its totient is φ = 2516246128.

The previous prime is 2516246071. The next prime is 2516246197. The reversal of 2516246129 is 9216426152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2416705600 + 99540529 = 49160^2 + 9977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516246129 - 2¹⁶ = 2516180593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2516246092 and 2516246101.

It is not a weakly prime, because it can be changed into another prime (2516246329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258123064 + 1258123065.

It is an arithmetic number, because the mean of its divisors is an integer number (1258123065).

Almost surely, 2^2516246129 is an apocalyptic number.

It is an amenable number.

2516246129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516246129 is an equidigital number, since it uses as much as digits as its factorization.

2516246129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 2516246129 is about 50162.1982074151. The cubic root of 2516246129 is about 1360.1423814672.

The spelling of 2516246129 in words is "two billion, five hundred sixteen million, two hundred forty-six thousand, one hundred twenty-nine".