2555125 has 8 divisors (see below), whose sum is σ = 3188952. Its totient is φ = 2044000.

The previous prime is 2555123. The next prime is 2555129. The reversal of 2555125 is 5215552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1521 + 2553604 = 39^2 + 1598^2 .

It is not a de Polignac number, because 2555125 - 2¹ = 2555123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2555125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10096 + ... + 10345.

It is an arithmetic number, because the mean of its divisors is an integer number (398619).

2^2555125 is an apocalyptic number.

2555125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2555125 is a deficient number, since it is larger than the sum of its proper divisors (633827).

2555125 is an equidigital number, since it uses as much as digits as its factorization.

2555125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20456 (or 20446 counting only the distinct ones).

The product of its digits is 2500, while the sum is 25.

The square root of 2555125 is about 1598.4758365393. The cubic root of 2555125 is about 136.7111858400.

The spelling of 2555125 in words is "two million, five hundred fifty-five thousand, one hundred twenty-five".