2549825 has 12 divisors (see below), whose sum is σ = 3271740. Its totient is φ = 1968960.

The previous prime is 2549821. The next prime is 2549863. The reversal of 2549825 is 5289452.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 66049 + 2483776 = 257^2 + 1576^2 .

It is not a de Polignac number, because 2549825 - 2² = 2549821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (272645).

2^2549825 is an apocalyptic number.

2549825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2549825 is a deficient number, since it is larger than the sum of its proper divisors (721915).

2549825 is a wasteful number, since it uses less digits than its factorization.

2549825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3551 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 2549825 is about 1596.8171467015. The cubic root of 2549825 is about 136.6165954455.

The spelling of 2549825 in words is "two million, five hundred forty-nine thousand, eight hundred twenty-five".