2581625 has 16 divisors (see below), whose sum is σ = 3394560. Its totient is φ = 1954800.

The previous prime is 2581613. The next prime is 2581633. The reversal of 2581625 is 5261852.

It is not a de Polignac number, because 2581625 - 2⁶ = 2581561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1832 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (212160).

2^2581625 is an apocalyptic number.

2581625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2581625 is a deficient number, since it is larger than the sum of its proper divisors (812935).

2581625 is a wasteful number, since it uses less digits than its factorization.

2581625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1111 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 2581625 is about 1606.7436012009. The cubic root of 2581625 is about 137.1821860894.

The spelling of 2581625 in words is "two million, five hundred eighty-one thousand, six hundred twenty-five".