2516042 has 8 divisors (see below), whose sum is σ = 3786276. Its totient is φ = 1253952.

The previous prime is 2516021. The next prime is 2516057. The reversal of 2516042 is 2406152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2493241 + 22801 = 1579^2 + 151^2 .

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, 1193 + ... + 2540.

2^2516042 is an apocalyptic number.

2516042 is a deficient number, since it is larger than the sum of its proper divisors (1270234).

2516042 is a wasteful number, since it uses less digits than its factorization.

2516042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2516042 is about 1586.2036439247. The cubic root of 2516042 is about 136.0105600220.

The spelling of 2516042 in words is "two million, five hundred sixteen thousand, forty-two".