2663125 has 10 divisors (see below), whose sum is σ = 3328622. Its totient is φ = 2130000.

The previous prime is 2663107. The next prime is 2663137. The reversal of 2663125 is 5213662.

It can be written as a sum of positive squares in 5 ways, for example, as 358801 + 2304324 = 599^2 + 1518^2 .

It is not a de Polignac number, because 2663125 - 2¹⁵ = 2630357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2663125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1506 + ... + 2755.

2^2663125 is an apocalyptic number.

2663125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2663125 is a deficient number, since it is larger than the sum of its proper divisors (665497).

2663125 is an frugal number, since it uses more digits than its factorization.

2663125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4266 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 2663125 is about 1631.9083920368. The cubic root of 2663125 is about 138.6108363088.

Adding to 2663125 its reverse (5213662), we get a palindrome (7876787).

The spelling of 2663125 in words is "two million, six hundred sixty-three thousand, one hundred twenty-five".