2051325 has 30 divisors (see below), whose sum is σ = 3803514. Its totient is φ = 1092960.

The previous prime is 2051323. The next prime is 2051327. The reversal of 2051325 is 5231502.

It is a happy number.

2051325 is a nontrivial binomial coefficient, being equal to C(2026, 2).

It is an interprime number because it is at equal distance from previous prime (2051323) and next prime (2051327).

It can be written as a sum of positive squares in 3 ways, for example, as 29241 + 2022084 = 171^2 + 1422^2 .

It is not a de Polignac number, because 2051325 - 2¹ = 2051323 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2051298 and 2051307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051321) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1519 + ... + 2531.

2^2051325 is an apocalyptic number.

2051325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2051325 is the 2025-th triangular number and also the 1013-rd hexagonal number.

It is an amenable number.

2051325 is a deficient number, since it is larger than the sum of its proper divisors (1752189).

2051325 is a wasteful number, since it uses less digits than its factorization.

2051325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2051325 is about 1432.2447416556. The cubic root of 2051325 is about 127.0607723693.

Adding to 2051325 its reverse (5231502), we get a palindrome (7282827).

The spelling of 2051325 in words is "two million, fifty-one thousand, three hundred twenty-five".