2516247839 has 8 divisors (see below), whose sum is σ = 2878461600. Its totient is φ = 2154721536.

The previous prime is 2516247827. The next prime is 2516247841. The reversal of 2516247839 is 9387426152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2516247839 - 2⁴ = 2516247823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2516247793 and 2516247802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516247889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163994 + ... + 178679.

It is an arithmetic number, because the mean of its divisors is an integer number (359807700).

Almost surely, 2^2516247839 is an apocalyptic number.

2516247839 is a deficient number, since it is larger than the sum of its proper divisors (362213761).

2516247839 is a wasteful number, since it uses less digits than its factorization.

2516247839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343729.

The product of its digits is 725760, while the sum is 47.

The square root of 2516247839 is about 50162.2152521198. The cubic root of 2516247839 is about 1360.1426895774.

The spelling of 2516247839 in words is "two billion, five hundred sixteen million, two hundred forty-seven thousand, eight hundred thirty-nine".