2516304242 has 8 divisors (see below), whose sum is σ = 3775521132. Its totient is φ = 1257797200.

The previous prime is 2516304179. The next prime is 2516304269. The reversal of 2516304242 is 2424036152.

It can be written as a sum of positive squares in 2 ways, for example, as 2379390841 + 136913401 = 48779^2 + 11701^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168509 + ... + 182832.

Almost surely, 2^2516304242 is an apocalyptic number.

2516304242 is a deficient number, since it is larger than the sum of its proper divisors (1259216890).

2516304242 is a wasteful number, since it uses less digits than its factorization.

2516304242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354924.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2516304242 is about 50162.7774550014. Note that the first 3 decimals coincide. The cubic root of 2516304242 is about 1360.1528522693.

The spelling of 2516304242 in words is "two billion, five hundred sixteen million, three hundred four thousand, two hundred forty-two".