2651725 has 12 divisors (see below), whose sum is σ = 3335476. Its totient is φ = 2090880.

The previous prime is 2651717. The next prime is 2651729. The reversal of 2651725 is 5271562.

2651725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 110889 + 2540836 = 333^2 + 1594^2 .

It is not a de Polignac number, because 2651725 - 2³ = 2651717 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2651693 and 2651702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099 + ... + 2551.

2^2651725 is an apocalyptic number.

2651725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2651725 is a deficient number, since it is larger than the sum of its proper divisors (683751).

2651725 is a wasteful number, since it uses less digits than its factorization.

2651725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1531 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 2651725 is about 1628.4118029540. The cubic root of 2651725 is about 138.4127702975.

The spelling of 2651725 in words is "two million, six hundred fifty-one thousand, seven hundred twenty-five".