2556325 has 6 divisors (see below), whose sum is σ = 3169874. Its totient is φ = 2045040.

The previous prime is 2556277. The next prime is 2556331. The reversal of 2556325 is 5236552.

It can be written as a sum of positive squares in 3 ways, for example, as 613089 + 1943236 = 783^2 + 1394^2 .

It is not a de Polignac number, because 2556325 - 2¹⁵ = 2523557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2556293 and 2556302.

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, 51102 + ... + 51151.

2^2556325 is an apocalyptic number.

2556325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2556325 is a deficient number, since it is larger than the sum of its proper divisors (613549).

2556325 is a wasteful number, since it uses less digits than its factorization.

2556325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102263 (or 102258 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 2556325 is about 1598.8511500449. The cubic root of 2556325 is about 136.7325843688.

The spelling of 2556325 in words is "two million, five hundred fifty-six thousand, three hundred twenty-five".