2011975 has 12 divisors (see below), whose sum is σ = 2851504. Its totient is φ = 1379520.

The previous prime is 2011973. The next prime is 2011987. The reversal of 2011975 is 5791102.

It is not a de Polignac number, because 2011975 - 2¹ = 2011973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5574 + ... + 5923.

2^2011975 is an apocalyptic number.

2011975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2011975 is a deficient number, since it is larger than the sum of its proper divisors (839529).

2011975 is a wasteful number, since it uses less digits than its factorization.

2011975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514 (or 11509 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 2011975 is about 1418.4410456554. The cubic root of 2011975 is about 126.2430640244.

The spelling of 2011975 in words is "two million, eleven thousand, nine hundred seventy-five".