2142516 has 24 divisors (see below), whose sum is σ = 5262880. Its totient is φ = 676512.

The previous prime is 2142499. The next prime is 2142521. The reversal of 2142516 is 6152412.

It is a junction number, because it is equal to n+sod(n) for n = 2142492 and 2142501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4471 + ... + 4926.

2^2142516 is an apocalyptic number.

It is an amenable number.

2142516 is an abundant number, since it is smaller than the sum of its proper divisors (3120364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142516 is a wasteful number, since it uses less digits than its factorization.

2142516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423 (or 9421 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 2142516 is about 1463.7335823161. The cubic root of 2142516 is about 128.9163570514.

Adding to 2142516 its reverse (6152412), we get a palindrome (8294928).

The spelling of 2142516 in words is "two million, one hundred forty-two thousand, five hundred sixteen".