2625815 has 4 divisors (see below), whose sum is σ = 3150984. Its totient is φ = 2100648.

The previous prime is 2625811. The next prime is 2625817. The reversal of 2625815 is 5185262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5185262 = 2 ⋅2592631.

It is a cyclic number.

It is not a de Polignac number, because 2625815 - 2² = 2625811 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 6⁷ + 2¹¹ + 5⁸ + 8² + 1 + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262577 + ... + 262586.

It is an arithmetic number, because the mean of its divisors is an integer number (787746).

2^2625815 is an apocalyptic number.

2625815 is a deficient number, since it is larger than the sum of its proper divisors (525169).

2625815 is an equidigital number, since it uses as much as digits as its factorization.

2625815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525168.

The product of its digits is 4800, while the sum is 29.

The square root of 2625815 is about 1620.4366695431. The cubic root of 2625815 is about 137.9604836796.

The spelling of 2625815 in words is "two million, six hundred twenty-five thousand, eight hundred fifteen".