2106526 has 4 divisors (see below), whose sum is σ = 3159792. Its totient is φ = 1053262.

The previous prime is 2106523. The next prime is 2106529. The reversal of 2106526 is 6256012.

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

It is an interprime number because it is at equal distance from previous prime (2106523) and next prime (2106529).

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2106497 and 2106506.

It is a congruent 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 as a sum of consecutive naturals, namely, 526630 + ... + 526633.

It is an arithmetic number, because the mean of its divisors is an integer number (789948).

2^2106526 is an apocalyptic number.

2106526 is a deficient number, since it is larger than the sum of its proper divisors (1053266).

2106526 is a wasteful number, since it uses less digits than its factorization.

2106526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053265.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2106526 is about 1451.3876119080. The cubic root of 2106526 is about 128.1904310653.

The spelling of 2106526 in words is "two million, one hundred six thousand, five hundred twenty-six".