2555725 has 6 divisors (see below), whose sum is σ = 3169130. Its totient is φ = 2044560.

The previous prime is 2555711. The next prime is 2555731. The reversal of 2555725 is 5275552.

It can be written as a sum of positive squares in 3 ways, for example, as 236196 + 2319529 = 486^2 + 1523^2 .

It is not a de Polignac number, because 2555725 - 2⁹ = 2555213 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 5 + 5 + 5⁷ + 7² + 2¹⁹ + 5⁹ .

It is a congruent 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, 51090 + ... + 51139.

2^2555725 is an apocalyptic number.

2555725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2555725 is a deficient number, since it is larger than the sum of its proper divisors (613405).

2555725 is a wasteful number, since it uses less digits than its factorization.

2555725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102239 (or 102234 counting only the distinct ones).

The product of its digits is 17500, while the sum is 31.

The square root of 2555725 is about 1598.6635043060. The cubic root of 2555725 is about 136.7218859417.

The spelling of 2555725 in words is "two million, five hundred fifty-five thousand, seven hundred twenty-five".