2542523 has 6 divisors (see below), whose sum is σ = 2683764. Its totient is φ = 2408364.

The previous prime is 2542513. The next prime is 2542531. The reversal of 2542523 is 3252452.

It is not a de Polignac number, because 2542523 - 2¹⁰ = 2541499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3161 + ... + 3882.

It is an arithmetic number, because the mean of its divisors is an integer number (447294).

2^2542523 is an apocalyptic number.

2542523 is a deficient number, since it is larger than the sum of its proper divisors (141241).

2542523 is an equidigital number, since it uses as much as digits as its factorization.

2542523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081 (or 7062 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 2542523 is about 1594.5290840872. The cubic root of 2542523 is about 136.4860599306.

Adding to 2542523 its reverse (3252452), we get a palindrome (5794975).

The spelling of 2542523 in words is "two million, five hundred forty-two thousand, five hundred twenty-three".