2106513 has 16 divisors (see below), whose sum is σ = 3174400. Its totient is φ = 1380240.

The previous prime is 2106491. The next prime is 2106523. The reversal of 2106513 is 3156012.

2106513 is a `hidden beast` number, since 2 + 10 + 651 + 3 = 666.

It is not a de Polignac number, because 2106513 - 2⁸ = 2106257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (198400).

2^2106513 is an apocalyptic number.

It is an amenable number.

2106513 is a deficient number, since it is larger than the sum of its proper divisors (1067887).

2106513 is a wasteful number, since it uses less digits than its factorization.

2106513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2106513 is about 1451.3831334282. The cubic root of 2106513 is about 128.1901673643.

The spelling of 2106513 in words is "two million, one hundred six thousand, five hundred thirteen".