2102546 has 8 divisors (see below), whose sum is σ = 3197244. Its totient is φ = 1036800.

The previous prime is 2102533. The next prime is 2102549. The reversal of 2102546 is 6452012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1755625 + 346921 = 1325^2 + 589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 0 + 2²¹ + 5⁵ + 4 + 6³ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2102549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7055 + ... + 7346.

2^2102546 is an apocalyptic number.

2102546 is a deficient number, since it is larger than the sum of its proper divisors (1094698).

2102546 is a wasteful number, since it uses less digits than its factorization.

2102546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14476.

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

The square root of 2102546 is about 1450.0158619822. The cubic root of 2102546 is about 128.1096472582.

Adding to 2102546 its reverse (6452012), we get a palindrome (8554558).

The spelling of 2102546 in words is "two million, one hundred two thousand, five hundred forty-six".