2051125 has 16 divisors (see below), whose sum is σ = 2611440. Its totient is φ = 1608000.

The previous prime is 2051123. The next prime is 2051167. The reversal of 2051125 is 5211502.

It can be written as a sum of positive squares in 8 ways, for example, as 1739761 + 311364 = 1319^2 + 558^2 .

It is not a de Polignac number, because 2051125 - 2¹ = 2051123 is a prime.

It is a super-2 number, since 2×2051125² = 8414227531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2051099 and 2051108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7491 + ... + 7759.

It is an arithmetic number, because the mean of its divisors is an integer number (163215).

2^2051125 is an apocalyptic number.

2051125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2051125 is a deficient number, since it is larger than the sum of its proper divisors (560315).

2051125 is an equidigital number, since it uses as much as digits as its factorization.

2051125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2051125 is about 1432.1749194843. The cubic root of 2051125 is about 127.0566428465.

Adding to 2051125 its reverse (5211502), we get a palindrome (7262627).

The spelling of 2051125 in words is "two million, fifty-one thousand, one hundred twenty-five".