2061775 has 6 divisors (see below), whose sum is σ = 2556632. Its totient is φ = 1649400.

The previous prime is 2061757. The next prime is 2061793. The reversal of 2061775 is 5771602.

It is an interprime number because it is at equal distance from previous prime (2061757) and next prime (2061793).

It is not a de Polignac number, because 2061775 - 2¹⁵ = 2029007 is a prime.

It is a Duffinian number.

It is a congruent 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, 41211 + ... + 41260.

2^2061775 is an apocalyptic number.

2061775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2061775 is a deficient number, since it is larger than the sum of its proper divisors (494857).

2061775 is an equidigital number, since it uses as much as digits as its factorization.

2061775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82481 (or 82476 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2061775 is about 1435.8882268478. Note that the first 3 decimals coincide. The cubic root of 2061775 is about 127.2761675786.

The spelling of 2061775 in words is "two million, sixty-one thousand, seven hundred seventy-five".