2625025 has 24 divisors (see below), whose sum is σ = 3609144. Its totient is φ = 1881600.

The previous prime is 2625023. The next prime is 2625061. The reversal of 2625025 is 5205262.

It can be written as a sum of positive squares in 12 ways, for example, as 1065024 + 1560001 = 1032^2 + 1249^2 .

It is not a de Polignac number, because 2625025 - 2¹ = 2625023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2624987 and 2625005.

It is not an unprimeable number, because it can be changed into a prime (2625023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13227 + ... + 13423.

It is an arithmetic number, because the mean of its divisors is an integer number (150381).

2^2625025 is an apocalyptic number.

2625025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2625025 is the 1025-th heptagonal number.

It is an amenable number.

2625025 is a deficient number, since it is larger than the sum of its proper divisors (984119).

2625025 is a wasteful number, since it uses less digits than its factorization.

2625025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2625025 is about 1620.1928897511. The cubic root of 2625025 is about 137.9466467421.

The spelling of 2625025 in words is "two million, six hundred twenty-five thousand, twenty-five".