2142524 has 12 divisors (see below), whose sum is σ = 3767400. Its totient is φ = 1066128.

The previous prime is 2142523. The next prime is 2142529. The reversal of 2142524 is 4252412.

It is a happy number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2142496 and 2142505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142521) 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, 254 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (313950).

2^2142524 is an apocalyptic number.

It is an amenable number.

2142524 is a deficient number, since it is larger than the sum of its proper divisors (1624876).

2142524 is a wasteful number, since it uses less digits than its factorization.

2142524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572 (or 2570 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 2142524 is about 1463.7363150513. The cubic root of 2142524 is about 128.9165175060.

Adding to 2142524 its reverse (4252412), we get a palindrome (6394936).

The spelling of 2142524 in words is "two million, one hundred forty-two thousand, five hundred twenty-four".