2642825 has 12 divisors (see below), whose sum is σ = 3332748. Its totient is φ = 2078400.

The previous prime is 2642821. The next prime is 2642839. The reversal of 2642825 is 5282462.

It can be written as a sum of positive squares in 6 ways, for example, as 546121 + 2096704 = 739^2 + 1448^2 .

It is not a de Polignac number, because 2642825 - 2² = 2642821 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 6³ + 4⁶ + 2¹⁹ + 8² + 2²¹ + 5⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (277729).

2^2642825 is an apocalyptic number.

2642825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2642825 is a deficient number, since it is larger than the sum of its proper divisors (689923).

2642825 is a wasteful number, since it uses less digits than its factorization.

2642825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1799 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2642825 is about 1625.6767821434. The cubic root of 2642825 is about 138.2577448690.

The spelling of 2642825 in words is "two million, six hundred forty-two thousand, eight hundred twenty-five".