2620125 has 48 divisors (see below), whose sum is σ = 5037552. Its totient is φ = 1305600.

The previous prime is 2620099. The next prime is 2620129. The reversal of 2620125 is 5210262.

It can be written as a sum of positive squares in 8 ways, for example, as 423801 + 2196324 = 651^2 + 1482^2 .

It is not a de Polignac number, because 2620125 - 2⁷ = 2619997 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2620098 and 2620107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19057 + ... + 19193.

It is an arithmetic number, because the mean of its divisors is an integer number (104949).

2^2620125 is an apocalyptic number.

2620125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2620125 is a deficient number, since it is larger than the sum of its proper divisors (2417427).

2620125 is a wasteful number, since it uses less digits than its factorization.

2620125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2620125 is about 1618.6800177923. The cubic root of 2620125 is about 137.8607606286.

Adding to 2620125 its reverse (5210262), we get a palindrome (7830387).

The spelling of 2620125 in words is "two million, six hundred twenty thousand, one hundred twenty-five".