2530142 has 8 divisors (see below), whose sum is σ = 3812616. Its totient is φ = 1259272.

The previous prime is 2530141. The next prime is 2530153. The reversal of 2530142 is 2410352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2530142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (476577).

2^2530142 is an apocalyptic number.

2530142 is a deficient number, since it is larger than the sum of its proper divisors (1282474).

2530142 is a wasteful number, since it uses less digits than its factorization.

2530142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2530142 is about 1590.6420087499. The cubic root of 2530142 is about 136.2641564283.

Subtracting from 2530142 its sum of digits (17), we obtain a triangular number (2530125 = T₂₂₄₉).

Adding to 2530142 its reverse (2410352), we get a palindrome (4940494).

The spelling of 2530142 in words is "two million, five hundred thirty thousand, one hundred forty-two".