2530238 has 4 divisors (see below), whose sum is σ = 3795360. Its totient is φ = 1265118.

The previous prime is 2530237. The next prime is 2530243. The reversal of 2530238 is 8320352.

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

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632558 + ... + 632561.

It is an arithmetic number, because the mean of its divisors is an integer number (948840).

2^2530238 is an apocalyptic number.

2530238 is a deficient number, since it is larger than the sum of its proper divisors (1265122).

2530238 is a wasteful number, since it uses less digits than its factorization.

2530238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265121.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2530238 is about 1590.6721849583. The cubic root of 2530238 is about 136.2658798089.

The spelling of 2530238 in words is "two million, five hundred thirty thousand, two hundred thirty-eight".