2131075 has 6 divisors (see below), whose sum is σ = 2642564. Its totient is φ = 1704840.

The previous prime is 2131049. The next prime is 2131081. The reversal of 2131075 is 5701312.

It is not a de Polignac number, because 2131075 - 2⁵ = 2131043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42597 + ... + 42646.

2^2131075 is an apocalyptic number.

2131075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2131075 is a deficient number, since it is larger than the sum of its proper divisors (511489).

2131075 is an equidigital number, since it uses as much as digits as its factorization.

2131075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85253 (or 85248 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 2131075 is about 1459.8201944075. The cubic root of 2131075 is about 128.6864769745.

Adding to 2131075 its reverse (5701312), we get a palindrome (7832387).

The spelling of 2131075 in words is "two million, one hundred thirty-one thousand, seventy-five".