2580925 has 6 divisors (see below), whose sum is σ = 3200378. Its totient is φ = 2064720.

The previous prime is 2580917. The next prime is 2580931. The reversal of 2580925 is 5290852.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 822649 + 1758276 = 907^2 + 1326^2 .

It is not a de Polignac number, because 2580925 - 2³ = 2580917 is a prime.

It is a super-2 number, since 2×2580925² = 13322347711250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51594 + ... + 51643.

2^2580925 is an apocalyptic number.

2580925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2580925 is a deficient number, since it is larger than the sum of its proper divisors (619453).

2580925 is a wasteful number, since it uses less digits than its factorization.

2580925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103247 (or 103242 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2580925 is about 1606.5257545399. The cubic root of 2580925 is about 137.1697861203.

The spelling of 2580925 in words is "two million, five hundred eighty thousand, nine hundred twenty-five".