2610625 has 10 divisors (see below), whose sum is σ = 3263018. Its totient is φ = 2088000.

The previous prime is 2610623. The next prime is 2610649. The reversal of 2610625 is 5260162.

It can be written as a sum of positive squares in 5 ways, for example, as 440896 + 2169729 = 664^2 + 1473^2 .

It is not a de Polignac number, because 2610625 - 2¹ = 2610623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2610596 and 2610605.

It is not an unprimeable number, because it can be changed into a prime (2610623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1464 + ... + 2713.

2^2610625 is an apocalyptic number.

2610625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2610625 is a deficient number, since it is larger than the sum of its proper divisors (652393).

2610625 is an frugal number, since it uses more digits than its factorization.

2610625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2610625 is about 1615.7428632057. The cubic root of 2610625 is about 137.6939411970.

Adding to 2610625 its reverse (5260162), we get a palindrome (7870787).

The spelling of 2610625 in words is "two million, six hundred ten thousand, six hundred twenty-five".