2628425 has 6 divisors (see below), whose sum is σ = 3259278. Its totient is φ = 2102720.

The previous prime is 2628407. The next prime is 2628481. The reversal of 2628425 is 5248262.

2628425 = T₄₄₆ + T₄₄₇ + ... + T₄₇₀.

It can be written as a sum of positive squares in 3 ways, for example, as 784 + 2627641 = 28^2 + 1621^2 .

It is not a de Polignac number, because 2628425 - 2⁸ = 2628169 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6⁴ + 2¹⁹ + 8³ + 4 + 2²¹ + 5⁵ .

It is a Duffinian number.

It is a Curzon 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, 52544 + ... + 52593.

It is an arithmetic number, because the mean of its divisors is an integer number (543213).

2^2628425 is an apocalyptic number.

2628425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2628425 is a deficient number, since it is larger than the sum of its proper divisors (630853).

2628425 is a wasteful number, since it uses less digits than its factorization.

2628425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105147 (or 105142 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2628425 is about 1621.2418079978. The cubic root of 2628425 is about 138.0061783973.

The spelling of 2628425 in words is "two million, six hundred twenty-eight thousand, four hundred twenty-five".