2516374265 has 4 divisors (see below), whose sum is σ = 3019649124. Its totient is φ = 2013099408.

The previous prime is 2516374243. The next prime is 2516374279. The reversal of 2516374265 is 5624736152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1228712809 + 1287661456 = 35053^2 + 35884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516374265 - 2⁸ = 2516374009 is a prime.

It is a Duffinian number.

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, 251637422 + ... + 251637431.

It is an arithmetic number, because the mean of its divisors is an integer number (754912281).

Almost surely, 2^2516374265 is an apocalyptic number.

It is an amenable number.

2516374265 is a deficient number, since it is larger than the sum of its proper divisors (503274859).

2516374265 is an equidigital number, since it uses as much as digits as its factorization.

2516374265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503274858.

The product of its digits is 302400, while the sum is 41.

The square root of 2516374265 is about 50163.4754079101. The cubic root of 2516374265 is about 1360.1654688014.

The spelling of 2516374265 in words is "two billion, five hundred sixteen million, three hundred seventy-four thousand, two hundred sixty-five".