2442523 has 4 divisors (see below), whose sum is σ = 2451808. Its totient is φ = 2433240.

The previous prime is 2442511. The next prime is 2442527. The reversal of 2442523 is 3252442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2442523 - 2¹⁷ = 2311451 is a prime.

It is a Duffinian number.

2442523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2442494 and 2442503.

It is not an unprimeable number, because it can be changed into a prime (2442527) 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, 4236 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (612952).

2^2442523 is an apocalyptic number.

2442523 is a deficient number, since it is larger than the sum of its proper divisors (9285).

2442523 is an equidigital number, since it uses as much as digits as its factorization.

2442523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284.

The product of its digits is 1920, while the sum is 22.

The square root of 2442523 is about 1562.8573191434. The cubic root of 2442523 is about 134.6726958982.

Adding to 2442523 its reverse (3252442), we get a palindrome (5694965).

The spelling of 2442523 in words is "two million, four hundred forty-two thousand, five hundred twenty-three".