2051375 has 8 divisors (see below), whose sum is σ = 2560272. Its totient is φ = 1641000.

The previous prime is 2051359. The next prime is 2051383. The reversal of 2051375 is 5731502.

It is not a de Polignac number, because 2051375 - 2⁴ = 2051359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8081 + ... + 8330.

It is an arithmetic number, because the mean of its divisors is an integer number (320034).

2^2051375 is an apocalyptic number.

2051375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2051375 is a deficient number, since it is larger than the sum of its proper divisors (508897).

2051375 is an equidigital number, since it uses as much as digits as its factorization.

2051375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16426 (or 16416 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 2051375 is about 1432.2621966665. The cubic root of 2051375 is about 127.0618047081.

Adding to 2051375 its reverse (5731502), we get a palindrome (7782877).

The spelling of 2051375 in words is "two million, fifty-one thousand, three hundred seventy-five".