2523542 has 32 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 999648.

The previous prime is 2523539. The next prime is 2523557. The reversal of 2523542 is 2453252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14009 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^2523542 is an apocalyptic number.

2523542 is a deficient number, since it is larger than the sum of its proper divisors (2142058).

2523542 is a wasteful number, since it uses less digits than its factorization.

2523542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

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

The square root of 2523542 is about 1588.5660200319. The cubic root of 2523542 is about 136.1455693343.

Adding to 2523542 its reverse (2453252), we get a palindrome (4976794).

The spelling of 2523542 in words is "two million, five hundred twenty-three thousand, five hundred forty-two".