2630725 has 6 divisors (see below), whose sum is σ = 3262130. Its totient is φ = 2104560.

The previous prime is 2630713. The next prime is 2630729. The reversal of 2630725 is 5270362.

It can be written as a sum of positive squares in 3 ways, for example, as 720801 + 1909924 = 849^2 + 1382^2 .

It is not a de Polignac number, because 2630725 - 2¹³ = 2622533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 105229 = 2630725 / (2 + 6 + 3 + 0 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2630725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52590 + ... + 52639.

2^2630725 is an apocalyptic number.

2630725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2630725 is a deficient number, since it is larger than the sum of its proper divisors (631405).

2630725 is a wasteful number, since it uses less digits than its factorization.

2630725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105239 (or 105234 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2630725 is about 1621.9509856959. The cubic root of 2630725 is about 138.0464207061.

The spelling of 2630725 in words is "two million, six hundred thirty thousand, seven hundred twenty-five".