2285523 has 8 divisors (see below), whose sum is σ = 3386000. Its totient is φ = 1523664.

The previous prime is 2285513. The next prime is 2285551. The reversal of 2285523 is 3255822.

It is not a de Polignac number, because 2285523 - 2⁸ = 2285267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 84649 = 2285523 / (2 + 2 + 8 + 5 + 5 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42298 + ... + 42351.

It is an arithmetic number, because the mean of its divisors is an integer number (423250).

2^2285523 is an apocalyptic number.

2285523 is a deficient number, since it is larger than the sum of its proper divisors (1100477).

2285523 is an equidigital number, since it uses as much as digits as its factorization.

2285523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84658 (or 84652 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2285523 is about 1511.7946289096. The cubic root of 2285523 is about 131.7230764717.

Subtracting 2285523 from its reverse (3255822), we obtain a cube (970299 = 99³).

The spelling of 2285523 in words is "two million, two hundred eighty-five thousand, five hundred twenty-three".