2516129 has 16 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 1910400.

The previous prime is 2516123. The next prime is 2516197. The reversal of 2516129 is 9216152.

It is a cyclic number.

It is not a de Polignac number, because 2516129 - 2⁸ = 2515873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2516098 and 2516107.

It is not an unprimeable number, because it can be changed into a prime (2516123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2759 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

2^2516129 is an apocalyptic number.

It is an amenable number.

2516129 is a deficient number, since it is larger than the sum of its proper divisors (701407).

2516129 is a wasteful number, since it uses less digits than its factorization.

2516129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 1080, while the sum is 26.

The square root of 2516129 is about 1586.2310676569. The cubic root of 2516129 is about 136.0121276671.

It can be divided in two parts, 25 and 16129, that multiplied together give a square (403225 = 635²).

The spelling of 2516129 in words is "two million, five hundred sixteen thousand, one hundred twenty-nine".