2409625 has 16 divisors (see below), whose sum is σ = 3094416. Its totient is φ = 1872000.

The previous prime is 2409613. The next prime is 2409679. The reversal of 2409625 is 5269042.

It can be written as a sum of positive squares in 8 ways, for example, as 529984 + 1879641 = 728^2 + 1371^2 .

It is not a de Polignac number, because 2409625 - 2⁵ = 2409593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2409593 and 2409602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4365 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (193401).

2^2409625 is an apocalyptic number.

2409625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2409625 is a deficient number, since it is larger than the sum of its proper divisors (684791).

2409625 is an equidigital number, since it uses as much as digits as its factorization.

2409625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2409625 is about 1552.2966855598. The cubic root of 2409625 is about 134.0653316235.

The spelling of 2409625 in words is "two million, four hundred nine thousand, six hundred twenty-five".