2291025 has 24 divisors (see below), whose sum is σ = 4133664. Its totient is φ = 1110400.

The previous prime is 2291017. The next prime is 2291033. The reversal of 2291025 is 5201922.

2291025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2291017) and next prime (2291033).

It is not a de Polignac number, because 2291025 - 2³ = 2291017 is a prime.

It is a Curzon number.

2291025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2290992 and 2291010.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 564 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (172236).

2^2291025 is an apocalyptic number.

2291025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2291025 is a deficient number, since it is larger than the sum of its proper divisors (1842639).

2291025 is a wasteful number, since it uses less digits than its factorization.

2291025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2291025 is about 1513.6132266864. The cubic root of 2291025 is about 131.8286919159.

Adding to 2291025 its reverse (5201922), we get a palindrome (7492947).

The spelling of 2291025 in words is "two million, two hundred ninety-one thousand, twenty-five".