2516138 has 8 divisors (see below), whose sum is σ = 3783780. Its totient is φ = 1254880.

The previous prime is 2516123. The next prime is 2516197. The reversal of 2516138 is 8316152.

It can be written as a sum of positive squares in 2 ways, for example, as 2411809 + 104329 = 1553^2 + 323^2 .

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, 443 + ... + 2286.

2^2516138 is an apocalyptic number.

2516138 is a deficient number, since it is larger than the sum of its proper divisors (1267642).

2516138 is a wasteful number, since it uses less digits than its factorization.

2516138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192.

The product of its digits is 1440, while the sum is 26.

The square root of 2516138 is about 1586.2339045677. The cubic root of 2516138 is about 136.0122898352.

The spelling of 2516138 in words is "two million, five hundred sixteen thousand, one hundred thirty-eight".